George Washington was the first President of the United States, serving from 1789 to 1797.

Maximilien Robespierre was the leader of the French Revolution, serving as the President of the National Convention from 1793 to 1794.

Winston Churchill was the Prime Minister of the United Kingdom during World War II, serving from 1940 to 1945.

Abraham Lincoln was the President of the United States during the Civil War, serving from 1861 to 1865.

Nikita Khrushchev was the leader of the Soviet Union during the Cold War, serving as the First Secretary of the Communist Party of the Soviet Union from 1953 to 1964.

Indira Gandhi was the President of India during the Green Revolution, serving from 1966 to 1977.

Mao Zedong was the leader of the Chinese Communist Party during the Great Leap Forward, serving as the Chairman of the Communist Party of China from 1949 to 1976.

John F. Kennedy was the President of the United States during the Cuban Missile Crisis, serving from 1961 to 1963.

Nelson Mandela was the leader of the African National Congress during the apartheid era, serving as the President of the ANC from 1991 to 1997.

Richard Nixon was the President of the United States during the Watergate scandal, serving from 1969 to 1974.

Mikhail Gorbachev was the leader of the Soviet Union during the Chernobyl disaster, serving as the General Secretary of the Communist Party of the Soviet Union from 1985 to 1991.

George W. Bush was the President of the United States during the September 11 attacks, serving from 2001 to 2009.

Zhao Ziyang was the leader of the Chinese Communist Party during the Tiananmen Square protests, serving as the General Secretary of the Communist Party of China from 1987 to 1989.

Barack Obama was the President of the United States during the Great Recession, serving from 2009 to 2017.