What Happened This Year 1143

Historical Events from This Year 1143

Politics & Government

Recognition of Portugal as a Kingdom

October 5th, 1143 881 years ago

The Treaty of Zamora marked a significant diplomatic agreement between King Alfonso VII of León and Castile and Henry of Portugal. This treaty formally recognized the independence of Portugal as a kingdom. The acknowledgment was significant in consolidating Portuguese identity separate from the Kingdom of León and Castile. This formal accord facilitated enhanced relations and cohabitation between the two realms, as well as establishing a framework for future diplomatic engagements.

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Born in 1143

Emperor Nijō of Japan

Emperor of Japan during Heian period
Born
July 31st, 1143 881 years ago
Died
1165 860 years ago — 22 years old

Ruled as the 75th emperor of Japan from 1158 to 1165. Son of Emperor Go-Shirakawa, ascended the throne at a young age. His reign coincided with the power struggles of the Fujiwara clan and the emergence of the samurai class. Known for political instability and influence from powerful regents, including the Fujiwara family. Sought to balance the traditional court practices with the rising military power, yet faced challenges during his reign. Abdicated in 1165 in favor of his son, continuing a lineage of power struggles in the imperial family.

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William the Lion

Scottish king with a legacy of rule
Born
1143 882 years ago
Died
December 4th, 1214 810 years ago — 71 years old

Ascended to the Scottish throne in 1165, this monarch played a significant role in the consolidation of royal authority in Scotland. His reign faced numerous challenges, including conflicts with England, leading to his capture during the uprisings against King Henry II. After his release, he negotiated the Treaty of Falaise, which temporarily settled disputes with England. He promoted the establishment of churches and fortified castles throughout Scotland, contributing to the overall development of the nation during his reign. Known for strengthening royal administration and supporting the church, his legacy persisted long after his death.

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Pope Gregory IX

Pope and author of the Papal Bull
Born
1143 882 years ago
Died
August 22nd, 1241 783 years ago — 98 years old

Elected as Pope in 1227, implemented significant reforms within the Catholic Church. Established the Inquisition to combat heresy and maintained Papal authority. Authored the papal bull 'Quia nonnumquam,' which addressed the relationship between the church and state. Advocated for the crusades and supported efforts to reclaim the Holy Land. Initiated the process of canonization for saints, significantly impacting the Church's recognition of holiness.

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Nijō

Emperor of Japan during the Heian period
Born
1143 882 years ago
Died
September 5th, 1165 859 years ago — 22 years old

Ascended to the throne in 1158, ruled during a time marked by the decline of the imperial authority and the rise of the samurai class. His reign saw significant cultural developments, particularly in poetry and arts. He abdicated in 1165, maintaining influence in the court through the political maneuvering of his family. The Heian period, in which Nijō ruled, is regarded as a high point of Japanese culture, particularly in literature and aesthetics.

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People Who Died in 1143

John II Komnenos

Byzantine Emperor during the Crusades
Born
September 13th, 1087 937 years ago
Died
April 8th, 1143 882 years ago — 55 years old

Ruled as Byzantine Emperor from 1118 to 1143. His reign focused on military campaigns against the Turks, restoring stability to the empire after years of internal conflict. Initiated a series of reforms in governance and finance, and undertook extensive building projects in Constantinople. Engaged in diplomacy with Western powers, notably the Kingdom of Jerusalem, during the Crusades. Was involved in several military expeditions to reclaim lost territories.

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Agnes of Germany

Holy Roman Empress and queen consort
Born
1072 953 years ago
Died
September 24th, 1143 881 years ago — 71 years old

Born around 1072, played a significant role as a Holy Roman Empress and queen consort of Henry IV. Her marriage solidified political alliances within the Holy Roman Empire. Acted as regent for her son, Henry V, during his early reign, guiding the empire through challenging political dynamics. Managed to navigate tensions between the monarchy and the papacy, especially during the Investiture Controversy, a major conflict of the time. Passed away in 1143 in Italy, leaving a legacy of political influence within the empire and ties to other European ruling families.

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Pope Innocent II

Pope and religious leader
Died
September 24th, 1143 881 years ago — None years old

Served as Pope from 1130 to 1143. During the papacy, engaged in conflicts with the Holy Roman Empire, particularly with Emperor Lothair II. Worked to strengthen the authority of the papacy and bolster church reform efforts. Convened the Lateran Council in 1139 to address issues of church governance. Faced challenges such as the schism created by antipope Anacletus II, which complicated relations within the Catholic Church. Strengthened ties with other European monarchs and clerics, advocating for the interests of the papacy in the face of secular power.

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