1898 Roosevelt with Rough Riders in Cuba
Theodore Roosevelt fights against the Spanish in Cuba with a volunteer regiment of cavalry, the Rough Riders

1901 Theodore Roosevelt becomes US president
Vice President Theodore Roosevelt becomes US president on McKinley's death

1904 Roosevelt is elected US president
Theodore Roosevelt wins the US presidental election in his own right

1904 Roosevelt formulates Monroe corollary
US president Theodore Roosevelt announces the Roosevelt Corollary to the Monroe Doctrine, in response to crises in Latin America

1905 Roosevelt is international peacemaker
President Thedore Roosevelt mediates a peace treaty in Portsmouth, New Hampshire, between Russia and Japan

1906 Roosevelt wins Nobel Prize
President Roosevelt wins a Nobel Peace Prize for his mediation between Russia and Japan

1907 US marines in Honduras
President Roosevelt sends marines to protect US property during political unrest in Honduras

1907 Great White Fleet
President Roosevelt sends a fleet of warships on a goodwill tour of the world that also demonstrates US power

1908 Taft is elected US president
William Howard Taft, the Republican candidate, is elected to follow Roosevelt as president

1912 Roosevelt seeks Republican nomination
Former president Theodore Roosevelt campaigns against President Taft for the Republican nomination

1912 Taft wins Republican nomination
William Howard Taft defeats Theodore Roosevelt at the Republican convention to win the nomination

1912 Bull Moose Party
Theodore Roosevelt's followers form a rival party to the Republicans, soon to be known as the Bull Moose party

1912 Wilson is elected US president
Democrat Woodrow Wilson defeats Republicans Taft and Roosevelt to become the 28th president of the USA

1921 F.D. Roosevelt stricken with polio
Franklin Delano Roosevelt is paralyzed from the waist down by polio

1932 Roosevelt promises New Deal
Presidential candidate F.D. Roosevelt pledges himself at the Democratic convention to deliver 'a new deal for the American people'

1932 Roosevelt is elected US president
The incumbent president, Republican Herbert Hoover, suffers a heavy defeat by Democrat F.D. Roosevelt in the US election

1933 Fireside chat by Roosevelt
President Roosevelt gives the first of his many 'fireside chats' to the US nation on radio

1933 Tennessee Valley Authority
The Tennessee Valley Authority (TVA) is the largest project launched in the first hundred days of Roosevelt's New Deal

1936 Roosevelt is re-elected
F.D. Roosevelt is elected for a second US presidential term with an increased share of the vote

1937 Roosevelt defeated on Supreme Court reform
Congress rejects President Roosevelt's proposed reform of the US Supreme Court, amid furious accusations that he is trying to pack the Court with his nominees

1939 August 2 Einstein alerts Roosevelt to nuclear dangers
German-born US physicist Albert Einstein writes to President Roosevelt, warning of the potential of an atomic bomb

1940 October Roosevelt promises USA will stay out of war
President Roosevelt, campaigning for a third term, asssures Americans that he will not send their sons to fight in Europe's war

1940 November 5 Roosevelt wins third term
F.D. Roosevelt wins an unprecedented third US presidential term, albeit it with a considerably reduced share of the vote

1941 United States enters the war
The US Congress declares war on Japan and President Roosevelt endorses the order

1941  January 6 Roosevelt's Four Freedoms
President Roosevelt defines to Congress his concept of Four Freedoms – of speech, of worship, from want, from fear

1941  March 11 Lend-lease begins
Congress passes the Lend-lease Act, enabling President Roosevelt to provide much needed help to US allies

1941 July 26 MacArthur commands in Far East
Roosevelt appoints Douglas MacArthur commander of US forces in the Far East

1941 August 14 Atlantic Charter
Roosevelt and Churchill publish a joint Atlantic Charter, foreseeing a future free from 'Nazi tyranny'

1943  January I2 Casablanca conference
Roosevelt and Churchill meet in Casablanca for a strategic conference

1944 November 7 Roosevelt re-elected for fourth term
President Roosevelt, although seriously ill, is elected for a fourth term with Harry S. Truman as his vice-president

1945  February 4 Summit at Yalta
Roosevelt, Stalin and Churchill meet at Yalta to discuss Allied post-war plans

1945  April 12 Roosevelt dies, Truman is US president
President Franklin D. Roosevelt dies and is succeeded by his vice-president, Harry S. Truman