25 historically significant individuals born on August 20. August 20 marks the birth of several historical figures from various centuries who made contributions in politics, science, and literature. Notably, Bernardo O'Higgins, born in 1778, was a key figure in Chilean independence and became its first head of state. Jöns Jacob Berzelius, born in 1779, created the modern system of chemical notation. Other notable births on this day include Polish novelist Bolesław Prus in 1847, Libyan resistance leader Omar al-Mukhtar in 1858, and Vietnamese revolutionary Tôn Đức Thắng in 1888.
Headline Figures

Roger W. Sperry
1913 – 1994Nobel laureate: Nobel Prize in Physiology or Medicine (1981)

Bernardo O'Higgins
1778 – 1842Military leader known as the 'Liberator of Chile' who played a central role in the country's independence from Spain. He served as Supreme Director of Chile from 1817 to 1823.

Enrico Letta
1966 – PresentItalian politician who served as Prime Minister from 2013 to 2014 and currently serves as Dean of the Paris School of International Affairs.
Birth Distribution by Century
20th Century
1319th Century
618th Century
417th Century
115th Century
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