20th Century American Presidents (1901–2001)
The 20th century marked America’s rise as a global superpower. Presidents of this era guided the nation through world wars, economic depression, Cold War tensions, civil rights struggles, and rapid technological change. This page highlights key 20th-century presidents and links to their full biographies.
Theodore Roosevelt
Progressive reformer who expanded presidential power and championed conservation.
View Full Biography →Franklin D. Roosevelt
Led the nation through the Great Depression and World War II.
View Full Biography →John F. Kennedy
Cold War leader remembered for civil rights advocacy and the space race.
View Full Biography →Ronald Reagan
Presided over the final phase of the Cold War and reshaped conservative politics.
View Full Biography →20th Century Presidents with Military Backgrounds
Several 20th-century presidents rose to prominence through military leadership, particularly during America’s involvement in global conflicts.
- Theodore Roosevelt – Spanish-American War hero
- Dwight D. Eisenhower – Supreme Allied Commander in WWII
- Harry S. Truman – World War I artillery officer
Presidential Assassinations in the 20th Century
The 20th century witnessed some of the most tragic moments in presidential history, including high-profile assassinations that shocked the nation.
- William McKinley – Assassinated in 1901
- John F. Kennedy – Assassinated in 1963
Explore All U.S. Presidents
Browse complete biographies, timelines, and historical context for every U.S. President.
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