Henry IX

Duke of Bavaria and Holy Roman Emperor

Henry IX - Leaders & Politicians born 1075
Born

1075
951 years ago

Died
Category

Leaders & Politicians

Country

Germany

Links & References

Ascended to power in Bavaria during the 11th century, leading the duchy and participating in the politics of the Holy Roman Empire. Served as a key figure amidst conflicts involving various European powers. Contracted and managed alliances that were significant in the feudal landscape of the time. Held the title of Holy Roman Emperor briefly and was involved in efforts to enhance the authority of the imperial throne. Death marked the end of a notable lineage in Bavarian and imperial governance.

Served as Duke of Bavaria from 1096 to 1126

Held the title of Holy Roman Emperor in 1125

Other People Who Died on December 13th

Hannes Hafstein

Icelandic poet and first Prime Minister
Born
December 4th, 1861 164 years ago
Died
December 13th, 1922 103 years ago — 61 years old

Born in 1861, contributed significantly to Icelandic literature and politics. Served as the first Prime Minister of Iceland from 1904 to 1907. Actively engaged in promoting Iceland's cultural identity through poetry and political advocacy.

Continue Reading

Pehr Wilhelm Wargentin

Swedish astronomer and demographer
Born
1717 309 years ago
Died
December 13th, 1783 242 years ago — 66 years old

Contributed to the field of astronomy and demography in Sweden during the 18th century. Served as the first director of the Stockholm Observatory, where significant observations of celestial phenomena were conducted. Engaged in the statistical analysis of population data, advancing the understanding of demographic information in Sweden. Published works that provided foundational knowledge in these fields, influencing future studies.

Continue Reading

Niccolò Fontana Tartaglia

Italian mathematician and engineer
Born
1499 527 years ago
Died
December 13th, 1557 468 years ago — 58 years old

An influential mathematician and engineer contributed significantly to the field of mathematics during the Renaissance. Developed methods for solving cubic equations, leading to advancements in algebra. Produced a notable translation of Euclid's 'Elements,' making it more accessible to a wider audience. Worked on ballistics and fortification, integrating mathematical principles into engineering. Engaged in various teaching roles, impacting the education of future mathematicians and engineers.

Continue Reading

Anthony Collins

English philosopher and author
Born
1676 350 years ago
Died
December 13th, 1729 296 years ago — 53 years old

A prominent figure in the early 18th century, this philosopher contributed significantly to free will debates and religious discourse. He authored works including 'A Discourse of Free Thinking,' arguing for the importance of rational thought and critique of dogmatic beliefs. His writings often challenged orthodox religious views, aligning with the emerging Enlightenment thought. Residing predominantly in England, he engaged with contemporary thinkers and influenced subsequent philosophical debates.

Continue Reading

Charles de La Fosse

French painter, decorated palatial works
Born
1640 386 years ago
Died
December 13th, 1716 309 years ago — 76 years old

A prominent French painter active in the late 17th and early 18th centuries. Specializing in decorative art, contributed significantly to the development of French Baroque painting. Worked on several key commissions for royal residences, including the Palace of Versailles. Influenced the artistic direction of the French court with a strong emphasis on grandeur and elegance.

Continue Reading

Angilbert II

Archbishop of Milan
Died
December 13th, 859 1166 years ago — None years old

Served as Archbishop of Milan during the 9th century, playing a significant role in the ecclesiastical and political matters of the region. Oversaw important church affairs and contributed to the strengthening of the church's position in Lombardy. His tenure included efforts to uphold church doctrine and influence local rulers. This period in Milan was marked by attempts to expand the church's influence over both spiritual and secular matters.

Continue Reading