Notable Historical Dates On This Day April 21st

From world-changing moments to lesser-known milestones, history is happening all around us—every single day. Explore the key events that shaped the world on this very date, and uncover the fascinating stories that connect the past to today.

Politics & Government

Tondo Kingdom Pardon Document Discovered

April 21st, 900 1124 years ago

The Laguna Copperplate Inscription is a significant historical artifact that contains a formal pardon issued by Jayadewa, the Lord Minister of Pailah, to Namwaran and his relatives. Dated 900, this inscription reveals insights into the governance and social structures of the Kingdom of Tondo, located in present-day Philippines. It highlights the role of debt and forgiveness in societal relationships, shedding light on the administrative practices of ancient Southeast Asian societies. The discovery of this inscription marks an important milestone in understanding pre-colonial Philippine history.

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Religion & Philosophy

Pisa Becomes a Metropolitan Archdiocese

April 21st, 1092 932 years ago

Pope Urban II elevated the Diocese of Pisa to a metropolitan archdiocese, which signified an important development in the Catholic Church's structure in Italy. This elevation allowed Pisa to have greater ecclesiastical authority over surrounding dioceses, enhancing its influence in religious and political matters. The new status was part of Pope Urban II's broader efforts to strengthen the Church's organization and address the challenges faced in the region during this period.

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Crime & Law

Massacre of suspected Jews in Lisbon

April 21st, 1506 518 years ago

In April 1506, over 1,900 suspected Jews were killed in Lisbon by a mob of Portuguese Catholics. This three-day massacre erupted amid a backdrop of escalating tensions and religious fervor following the forced conversions of Jews to Christianity in Portugal. The violence began with a rumor about a miraculous incident in a local church, leading to widespread hysteria and an outpouring of revenge against the Jewish population. The authorities struggled to intervene as the mob rampaged through the city, resulting in staggering loss of life and property.

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Politics & Government

Henry VIII Becomes King of England

April 21st, 1509 515 years ago

Henry VIII became King of England following the death of his father, Henry VII. His ascent to the throne marked the beginning of a new era in English monarchy, characterized by significant political and religious changes. Henry was only 17 years old and had been groomed for kingship, inheriting a stable and prosperous realm. His reign would ultimately reshape the country's landscape through his marriage choices and the establishment of the Church of England.

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Military & Warfare

Ibrahim Lodi defeated by Babur at Panipat

April 21st, 1526 498 years ago

Ibrahim Lodi, the last ruler of the Lodi dynasty, was defeated and killed by Babur in a decisive battle near Panipat. This confrontation marked the beginning of the Mughal Empire in India. The battle took place on April 21, where Babur had successfully unified his troops and strategically utilized artillery, which played a crucial role in his victory. The defeat of Lodi heralded a significant shift in power dynamics in the Indian subcontinent.

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Transportation & Infrastructure

Inauguration of the Wignacourt Aqueduct in Malta

April 21st, 1615 409 years ago

The Wignacourt Aqueduct was inaugurated in Malta, marking a significant advancement in the island's water supply. Built by Grand Master Alof de Wignacourt, the aqueduct spanned from the springs at the Rabat area to Valletta, providing fresh water for its residents. The inauguration featured a grand ceremony attended by key officials and members of the clergy. As a vital infrastructure project, it addressed the critical need for reliable water access in a growing urban area, greatly improving public health and sanitation.

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Politics & Government

Foundation of Rattanakosin, now Bangkok

April 21st, 1782 242 years ago

King Buddha Yodfa Chulaloke establishes the city of Rattanakosin on the eastern bank of the Chao Phraya River, marking the beginning of what is now known as Bangkok. The move aimed to create a fortified capital for the Kingdom of Siam, ensuring better defense against potential invasions and asserting central authority. The strategic location and planning facilitated the development of a vibrant commercial hub, which has since evolved into Thailand's bustling capital.

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Politics & Government

John Adams assuming the Vice Presidency role

April 21st, 1789 235 years ago

John Adams was officially sworn in as the first Vice President of the United States at New York City, just nine days before George Washington's inauguration as President. The ceremony was held in the Senate chamber, marking a significant moment in the establishment of the executive branch of the new government. Adams, having been a prominent figure in the Continental Congress and a leading advocate for independence, took on the role with a sense of duty and responsibility, setting precedents for future vice presidents.

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Politics & Government

George Washington's Grand Reception in Trenton

April 21st, 1789 235 years ago

George Washington was warmly welcomed in Trenton by the Ladies of Trenton as he traveled to New York City for his inauguration. The reception featured elegant decorations and a festive atmosphere, showcasing the town's support for Washington. People gathered to celebrate his leadership, recognizing the significance of his presidency. The event marked a moment of unity and joy as the nation prepared for its first president's inauguration amid a growing sense of hope and patriotism.

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Social Movements & Civil Rights

Tiradentes Executed for Revolutionary Actions

April 21st, 1792 232 years ago

Joaquim José da Silva Xavier, known as Tiradentes, was executed for his leadership in Brazil's revolutionary movement against Portuguese colonial rule. Hanged, drawn, and quartered in Rio de Janeiro, his death sparked further resistance against oppression. Tiradentes became a martyr for Brazilian independence.

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Military & Warfare

Decisive Victory at the Battle of Mondovi

April 21st, 1796 228 years ago

Napoleon Bonaparte achieved a significant victory over the army of Piedmont at the Battle of Mondovi during the Montenotte Campaign. This confrontation marked a pivotal moment in the Italian campaign for France, as Napoleon's strategic maneuvers led to the retreat and eventual surrender of Piedmont a week later, significantly disrupting their military presence in the region.

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Military & Warfare

Wahhabis Attack Karbala, Thousands Killed

April 21st, 1802 222 years ago

In April 1802, approximately twelve thousand Wahhabis stormed the city of Karbala, inflicting significant casualties on the local population. The Wahhabi forces, motivated by a drive to eradicate what they viewed as heretical practices, laid waste to the city and killed over three thousand inhabitants in their assault. This event marked a violent chapter in the historical conflict between Wahhabism and Shia Islam, deeply impacting the region's socio-religious landscape.

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Military & Warfare

French Frigate Evades British Forces

April 21st, 1806 218 years ago

A French frigate successfully evaded capture by British naval forces near the coast of South Africa. This thrilling naval engagement highlighted the ongoing maritime conflict during the Napoleonic Wars as the frigate showcased naval tactics and maneuverability against the British fleet, who were intent on enforcing their maritime dominance. Following intense exchanges, the French vessel managed to escape into open waters, demonstrating the strategic capabilities of the French navy.

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Military & Warfare

French Victory at Landshut in Eckmühl Campaign

April 21st, 1809 215 years ago

Two Austrian army corps were decisively driven from Landshut by a formidable French Empire army under the command of Napoleon Bonaparte, while simultaneously, two French corps to the north successfully held off the main Austrian forces. This tactical maneuver showcased Napoleon's military genius and further established French dominance in the region during the early phase of the War of the Fifth Coalition.

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Politics & Government

Benderli Ali Pasha's Brief Tenure as Grand Vizier

April 21st, 1821 203 years ago

Benderli Ali Pasha arrived in Constantinople to take on the role of Grand Vizier of the Ottoman Empire. His term was unusually short, lasting merely nine days due to political tensions and dissatisfaction within the empire. Despite his role as the highest-ranking official, the prevailing unrest led to his exile, illustrating the volatile nature of Ottoman politics during this period.

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Military & Warfare

Sam Houston's Army Wins at San Jacinto

April 21st, 1836 188 years ago

The Battle of San Jacinto was a pivotal clash during the Texas Revolution. Republic of Texas forces, commanded by General Sam Houston, decisively defeated the Mexican army led by General Antonio López de Santa Anna. Taking place near present-day Houston, Texas, the battle lasted just about 18 minutes, from surprise dawn attack to rout. It resulted in the capture of Santa Anna and solidified Texan independence from Mexico, making it a crucial event in shaping the future of Texas.

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Social Movements & Civil Rights

Melbourne's Stonemasons Demand an Eight-Hour Day

April 21st, 1856 168 years ago

Stonemasons and building workers in Melbourne marched from the University of Melbourne to Parliament House advocating for an eight-hour workday. This significant event highlighted the labor movement's push for better working conditions and reasonable hours. The passionate demonstration aimed to secure legal recognition of the eight-hour workday, showcasing the growing strength of organized labor in the region.

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Military & Warfare

Norway Adopts Krag–Jørgensen Rifle

April 21st, 1894 130 years ago

Norway officially adopted the Krag–Jørgensen rifle as its primary firearm for the armed forces, marking a significant advancement in military technology. Designed by Ole Krag and Erik Jørgensen, this bolt-action rifle was celebrated for its innovative design and accuracy. The decision was motivated by a need for modernization within Norway's military forces amidst changing warfare tactics in Europe. This new rifle would serve as the main arm for the Norwegian Army, remaining in service for nearly fifty years due to its reliability and effectiveness in various conflicts.

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Military & Warfare

U.S. Navy Blockades Cuban Ports Amid Tensions

April 21st, 1898 126 years ago

In response to escalating tensions with Spain, the United States Navy initiated a blockade of Cuban ports, aiming to restrict Spanish naval and supply access. This military maneuver came after the U.S. Congress declared that a state of war existed following Spain's oppressive actions in Cuba. By deploying ships along the Cuban coastline, the U.S. sought to support the Cuban struggle for independence while demonstrating its naval power. This strategic blockade marked a turning point in U.S.-Spanish relations, setting the stage for open conflict.

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Military & Warfare

U.S. Navy Intercepts German Arms Shipment

April 21st, 1914 110 years ago

In April 1914, a German arms shipment intended for the Mexican government was intercepted by the U.S. Navy near Veracruz. The U.S. seized the cargo from the ship Ypiranga, which was carrying weapons meant to support Mexican resistance against the government of President Victoriano Huerta. This act was in the context of U.S. opposition to Huerta's regime, which was seen as illegitimate and supported by foreign powers, particularly Germany.

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Military & Warfare

Death of Manfred von Richthofen, 'The Red Baron'

April 21st, 1918 106 years ago

Manfred von Richthofen, a renowned German fighter ace known as 'The Red Baron', was shot down and killed over Vaux-sur-Somme in France. His impressive aerial combat record and distinctive red aircraft made him one of the most celebrated figures of World War I. Richthofen had achieved over 80 confirmed aerial victories, ruling the skies with remarkable skill and brave tactics. His demise marked a significant moment in air combat and the war itself, as he became a mythic symbol of a bygone era of chivalric warfare.

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Religion & Philosophy

Al-Baqi Cemetery Destroyed by Wahhabis

April 21st, 1926 98 years ago

Al-Baqi cemetery, known for housing the mausoleums of four prominent Shi'a Imams, was leveled to the ground by Wahhabi forces. This act aimed to eliminate burial sites that were considered idolatrous by Wahhabism. The mausoleum destruction sparked outrage among Shi'a communities globally and highlighted the sectarian divides within Islam.

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Exploration & Discovery

The Surgeon's Photograph Captures Nessie

April 21st, 1934 90 years ago

In April 1934, the Daily Mail published a photograph purportedly of the Loch Ness Monster, taken by surgeon Robert Kenneth Wilson. This image quickly gained fame as one of the most convincing pieces of evidence for the existence of the elusive creature, attracting worldwide attention and curiosity about Nessie. The photo depicted a large, undefined shape in the water, igniting speculation and legends surrounding Loch Ness. For decades, this photograph was considered a groundbreaking piece of evidence in the ongoing debate about the monster's existence.

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Military & Warfare

Soviet Forces Attack German High Command at Zossen

April 21st, 1945 79 years ago

Soviet forces launched a strategic attack on Zossen, where the German High Command was located, in an attempt to disrupt the leadership of the Nazi regime. The operation was part of the larger offensive to encircle Berlin as WWII neared its conclusion in Europe. This assault showcased the increasing pressure on German defenses as Soviet troops advanced from the east.

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Natural Disasters

Widest Tornado Ever Documented

April 21st, 1946 78 years ago

In a groundbreaking study, the U.S. Weather Bureau published a paper detailing a tornado that struck Timber Lake, South Dakota. This tornado was recorded to have a remarkable width of 4 miles (6.4 km), marking it as the widest tornado ever documented in history. Meteorologists and climatologists reviewed this event to better understand tornado formation and behavior. The findings set a precedent for future tornado research and monitoring across the United States.

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Politics & Government

UN Security Council Addresses Kashmir Conflict

April 21st, 1948 76 years ago

The United Nations Security Council adopted Resolution 47, addressing the conflict in the Kashmir region between India and Pakistan, following the first Indo-Pakistani War. This resolution called for a ceasefire and the withdrawal of troops. It also aimed to establish peaceful plebiscites to determine the future of the territory. The situation in Kashmir remained a contentious point between the two nations.

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Crime & Law

Nainital wedding massacre claims 22 lives

April 21st, 1950 74 years ago

During a wedding ceremony in Nainital, 22 members of the Harijan caste were killed in an act of violence. The incident unfolded amidst tensions surrounding caste discrimination and societal inequalities. Locals in the region were shocked as the celebration turned into a scene of tragedy, highlighting the deep-seated issues of caste-related violence. This tragedy shocked the community and drew attention to the plight of marginalized groups in India.

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Social Movements & Civil Rights

First Celebration of Secretary's Day

April 21st, 1952 72 years ago

Administrative Professionals' Day, originally called Secretary's Day, was first observed on April 21, 1952. This special day was established to recognize the contributions and importance of secretaries and administrative professionals in the workplace. It aimed to acknowledge their role in supporting executives and enhancing office efficiency. The day's observance led to a greater appreciation for the responsibilities and skills these professionals bring to their jobs, setting a precedent for future recognitions.

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Accidents & Tragedies

Collision of United Air Lines Flight 736 and Fighter Jet

April 21st, 1958 66 years ago

United Air Lines Flight 736 collided with a United States Air Force fighter jet near Arden, Nevada, resulting in aircraft damage and martial response. The flight, carrying 50 passengers, was en route from Los Angeles to New York when it encountered the military jet during a routine training exercise. The incident raised concerns about air safety and military protocols in civilian airspace.

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Politics & Government

Brasília is officially inaugurated as Brazil's capital

April 21st, 1960 64 years ago

At 09:30, the new capital of Brazil, Brasília, is officially inaugurated, marking a significant shift from the previous capital, Rio de Janeiro. This ceremony sees the transfer of power for the Three Powers of the Republic: the Executive, Legislative, and Judiciary. The creation of Brasília was aimed at promoting the development of the interior of Brazil and reducing the concentration of political and economic power along the coastal regions.

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Arts & Culture

Seattle World's Fair Celebrates Progress and Innovation

April 21st, 1962 62 years ago

The Seattle World's Fair, officially named the Century 21 Exposition, opened in Seattle, Washington. Spanning over six months, the fair aimed to showcase technological advancements and cultural exhibits. A standout feature was the iconic Space Needle, symbolizing the era's optimism about the future. The fair attracted nearly 10 million visitors, highlighting America's recovery and growth after World War II. With pavilions dedicated to space exploration, industry, and culture, it was a celebration of human achievement and potential.

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Religion & Philosophy

Establishment of the Universal House of Justice

April 21st, 1963 61 years ago

The first election of the Universal House of Justice marked an important milestone in the Baháʼí Faith as its supreme governing institution. Held from April 21 to April 23, 1963, the election took place in the Holy Land at the Baháʼí World Center in Haifa, Israel, involving Baháʼís from around the world. It was a culmination of an elaborate process initiated by Baháʼu'lláh, the founder of the Baháʼí Faith, set to ensure governance and community decision-making for the global Baháʼí community.

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Space Exploration

Transit-5BN Satellite Fails and Spreads Plutonium

April 21st, 1964 60 years ago

The Transit-5BN satellite, designed to enhance navigation capabilities for the U.S. Navy, failed to achieve orbit shortly after launch. During its re-entry, it released approximately 2.1 pounds (0.95 kg) of radioactive plutonium from its SNAP RTG power source. The incident occurred in the Atlantic Ocean, raising concerns about the environmental impact of space missions and the safety of radioactive materials in satellites.

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Arts & Culture

New York World's Fair Opens for Final Season

April 21st, 1965 59 years ago

The 1964–1965 New York World's Fair reopened for its second season, showcasing innovative technology and diverse cultural exhibits. Located in Flushing Meadows-Corona Park, it featured over 80 nations and iconic structures. Visitors engaged with displays such as IBM's computers, Ford's futuristic cars, and the unique attractions like the Unisphere. The fair aimed to promote global understanding through culture, technology, and peace.

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Religion & Philosophy

Haile Selassie's Historic Visit to Jamaica

April 21st, 1966 58 years ago

Emperor Haile Selassie of Ethiopia arrived in Jamaica, where he was warmly welcomed by thousands of Rastafarians. His visit was significant for the Rastafari movement, with many viewing him as a divine figure. The event inspired a strong sense of pride and identity within the Rastafarian community, which led to the establishment of Grounation Day, celebrated yearly in Jamaica and among Rastafarians worldwide.

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Politics & Government

Colonel George Papadopoulos leads a coup

April 21st, 1967 57 years ago

Colonel George Papadopoulos led a coup d'état in Greece, establishing a military regime that altered the political landscape of the country for seven years. The coup occurred just days before the scheduled general elections, as the military seized control to prevent what they deemed chaos and instability. The Junta imposed strict censorship and suppressed political dissent, creating a climate of fear and repression.

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Space Exploration

Apollo 16 Lunar Module Landing on the Moon

April 21st, 1972 52 years ago

Astronauts John Young and Charles Duke piloted Apollo 16's Lunar Module, Orion, to a soft landing on the Moon's surface. This mission marked the fifth human-crewed landing on the Moon, furthering NASA's exploration goals. The landing occurred in the Descartes Highlands, an area selected for its unique geological features, which scientists sought to study. The duo conducted extensive surface exploration, collecting samples and performing experiments to increase understanding of the Moon's geology and its history.

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Military & Warfare

Nguyễn Văn Thiệu Flees as Saigon Falls

April 21st, 1975 49 years ago

As North Vietnamese forces made rapid advances, Nguyễn Văn Thiệu, the President of South Vietnam, fled Saigon amid the fall of Xuân Lộc. This town had been the last major bastion obstructing the direct path of the North Vietnamese army towards the capital. With the loss of Xuân Lộc, the South Vietnamese military faced a critical defeat, leading to the inevitable fall of Saigon.

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Arts & Culture

Broadway Premiere of the Musical Annie

April 21st, 1977 47 years ago

Annie, a musical about a spirited orphan, premiered on Broadway. Based on the comic strip Little Orphan Annie, it features memorable songs like 'Tomorrow'. The show gained attention for its uplifting narrative and strong female lead. The original production won multiple Tony Awards, showcasing the talent of its cast and creative team.

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Sports & Recreation

Rollie Fingers Achieves 300 Saves Milestone

April 21st, 1982 42 years ago

Rollie Fingers, the renowned closer for the Milwaukee Brewers, made baseball history by becoming the first pitcher to achieve 300 career saves. This milestone was reached during a game against the Texas Rangers, showcasing Fingers' exceptional skill and durability as a relief pitcher. Celebrated for his unique handlebar mustache and distinctive windup, Fingers' achievement not only highlighted his personal prowess but also the evolving role of relief pitchers in the game of baseball. Fingers' accomplishment was a pivotal moment in showcasing the importance of closers in securing wins for their teams.

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Crime & Law

Covenant group surrenders after government siege

April 21st, 1985 39 years ago

The Covenant, The Sword, and the Arm of the Lord, a militant group based in Arkansas, surrendered to federal authorities after a two-day siege. The authorities had initiated the siege to apprehend the group's members following allegations of illegal activities, including stockpiling weapons and engaging in various criminal operations. The standoff was marked by tense negotiations and extensive media coverage, ultimately leading to the group's capitulation without further violence.

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Military & Warfare

Colombo Car Bombing by Tamil Tigers

April 21st, 1987 37 years ago

A devastating car bomb exploded in Colombo, resulting in the deaths of 106 individuals. The bomb, attributed to the Liberation Tigers of Tamil Eelam (LTTE), targeted a busy area in the Sri Lankan capital, causing extensive damage and chaos. This incident was part of the escalating conflict between the Sri Lankan government and the LTTE, who fought for an independent Tamil state. The blast not only resulted in significant loss of life but also further intensified the civil strife that had already torn the country apart.

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Social Movements & Civil Rights

Student Gathering in Tiananmen Square

April 21st, 1989 35 years ago

Around 100,000 students gathered in Tiananmen Square to commemorate Hu Yaobang, a reformist leader of the Chinese Communist Party. The gathering, significant for its peaceful demonstration, expressed students' calls for political reform and greater freedoms. Hu Yaobang, who had resigned in 1987, was seen as a symbol of the reformist movement, and his death triggered widespread mourning and a rallying of students in Beijing.

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Politics & Government

Luis García Meza Sentenced for Crimes

April 21st, 1993 31 years ago

Former dictator Luis García Meza was sentenced to 30 years in jail without parole. The Supreme Court in La Paz, Bolivia, found him guilty of multiple serious crimes, including murder, theft, fraud, and violation of the constitution. This landmark decision was significant in holding authoritarian leaders accountable for their actions during their regimes.

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Military & Warfare

Coordinated Suicide Bombings in Basra Police Stations

April 21st, 2004 20 years ago

Five suicide car bombers targeted police stations in and around Basra, resulting in the deaths of 74 people and injuring 160. The attacks marked one of the deadliest waves of violence in Iraq during the early phase of the insurgency, severely impacting local security forces and raising concerns over the effectiveness of post-invasion governance. The bombers struck in the morning, utilizing vehicles packed with explosives to maximize casualties and chaos.

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Politics & Government

Kharkiv Pact Signed By Ukraine and Russia

April 21st, 2010 14 years ago

Ukrainian President Viktor Yanukovych and Russian President Dmitry Medvedev signed the Kharkiv Pact in Kharkiv, Ukraine, which allowed Russia to maintain naval access in Sevastopol in exchange for discounted gas prices. This agreement was contentious within Ukraine and faced significant opposition, illustrating the complex relationship between Ukraine and Russia. The pact allowed Russia to extend its lease on naval bases in Crimea for an additional 25 years, significantly impacting regional dynamics.

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Accidents & Tragedies

Collision of Two Trains Near Amsterdam

April 21st, 2012 12 years ago

A head-on collision occurred between two trains near Sloterdijk, Amsterdam, resulting in one fatality and injuring 116 individuals. Rescue operations were initiated promptly, with emergency services responding swiftly to ensure the safety of passengers. The collision took place due to a signal failure, which led to both trains entering the same track at the same time. This incident raised concerns about railway safety protocols and highlighted the urgent need for upgraded signaling systems.

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Health & Medicine

Flint switches water source to Flint River

April 21st, 2014 10 years ago

Flint, Michigan, switched its water supply from Lake Huron to the Flint River to save money, which led to major public health issues, including lead poisoning in thousands of people and at least a dozen deaths from Legionnaires' disease. The switch was a cost-saving measure during a financial emergency for the city, but it exposed the population to hazardous water conditions.

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Crime & Law

Easter Sunday Bombings in Sri Lanka

April 21st, 2019 5 years ago

Eight bombs detonated at churches and hotels across Sri Lanka on Easter Sunday, resulting in at least 269 deaths and hundreds of injuries. The coordinated attacks targeted three churches during Easter services and several luxury hotels in Colombo, Negombo, and Batticaloa, raising concerns over religious extremism. Authorities quickly traced the bombings to local Islamist extremist groups and indicated links to international jihadist movements, leading to widespread fear and heightened security measures.

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Military & Warfare

KRI Nanggala (402) Submarine Sinks in Bali Sea

April 21st, 2021 3 years ago

The Indonesian Navy submarine KRI Nanggala (402) sank in the Bali Sea during a military drill, leading to the loss of all 53 crew members onboard. The submarine went missing after requesting permission to dive, sparking an extensive search and rescue operation. Indonesian authorities and other nations' naval forces mobilized resources to locate the vessel. The tragic incident highlighted the challenges and dangers associated with submarine operations, especially in training exercises.

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