Leszek II the Black

Polish princely ruler and duke

Leszek II the Black - Polish princely ruler and duke
Born

1241
784 years ago

Died

September 30th, 1288
736 years ago — 47 years old

Category

Leaders & Politicians

Country

Poland

Links & References

Ruled as the Duke of Łęczyca, Sieradz, Kraków, and Sandomierz. His reign included efforts to maintain control over the fragmented Polish territories during a time of significant political strife. His leadership was marked by attempts at consolidating power and fostering a sense of unity among Polish noble factions. Leszek II navigated the complexities of local alliances and external threats, contributing to the political landscape of medieval Poland. After his death in 1288, the region continued to evolve under different rulers and external influences.

Ducal rule over key Polish territories

Leadership during the fragmentation of Poland

Other People Who Died on September 30th

Maurice Lévy

Mathematician and engineer
Born
1838 187 years ago
Died
September 30th, 1910 114 years ago — 72 years old

A prominent mathematician and engineer, contributed to the development of mathematical analysis and applied mathematics. Engaged in various engineering projects during the late 19th and early 20th centuries. Established a reputation in the field of mathematics through significant academic work and publications. Involved in education and mentorship throughout his career, influencing a generation of students and professionals in mathematics and engineering disciplines.

Continue Reading

Vladimir Voevodsky

Mathematician recognized for work in topology
Born
June 4th, 1966 59 years ago
Died
September 30th, 2017 7 years ago — 51 years old

Contributions to mathematics included work on homotopy theory and algebraic geometry. Developed the theory of univalent foundations, advocating for a simplified approach to set theory. Received the Fields Medal in 2002 for significant advancements in the field, particularly in the development of modern algebraic topology. Also held a position as a professor at the Institute for Advanced Study in Princeton, New Jersey, where further research was conducted on higher category theory.

Continue Reading

Melchior Cano

Spanish theologian and scholar
Born
1525 500 years ago
Died
September 30th, 1560 464 years ago — 35 years old

A prominent theologian during the Counter-Reformation, he contributed significantly to scholastic theology. He authored several works, including 'De locis theologicis,' which examined various theological topics. Cano served as the prior of the Augustine monastery in Valladolid and played an essential role in the Council of Trent. His influence extended to various aspects of Catholic doctrine and education.

Continue Reading

Takashi Sakai

Japanese general and Governor of Hong Kong
Born
October 18th, 1887 137 years ago
Died
September 30th, 1946 78 years ago — 58 years old

A general in the Japanese Imperial Army and a politician, this individual served as the Governor of Hong Kong during its occupation in World War II. The tenure involved significant military governance amid the war's challenges. Leadership included addressing wartime administration and socio-economic issues in the region. Following the war, the individual faced repercussions for actions taken during the occupation period. Post-war political developments influenced the individual's legacy.

Continue Reading

Gavin Creel

Actor and singer in Broadway musicals
Born
1976 49 years ago
Died
September 30th, 2024 0 years ago — 48 years old

An accomplished actor and singer, gained prominence through performances in Broadway productions. Achieved critical acclaim for roles in 'Hello, Dolly!' and 'Thoroughly Modern Millie'. Received Tony Award for Best Featured Actor in a Musical for 'Hello, Dolly!'. As a solo artist, released several albums showcasing original music and covers, further demonstrating versatility in performing arts.

Continue Reading

Alfred Bester

American author and screenwriter
Born
December 18th, 1913 111 years ago
Died
September 30th, 1987 37 years ago — 73 years old

An influential author and screenwriter, this individual contributed significantly to the science fiction genre. A member of the Futurians, he began writing for comic books in the 1930s, eventually publishing stories in major magazines. The major work, 'The Stars My Destination,' released in 1956, became a seminal piece celebrated for its innovative narrative and themes of revenge and transformation. The author also wrote for television, including episodes of the series 'Star Trek'. His approaches combined elements of psychology and philosophical questions, marking a transformative period in literature.

Continue Reading