Selected anniversaries January
Selected anniversaries February
Selected anniversaries March
Selected anniversaries April
- April 1, 1979 – Iran's government becomes an Islamic Republic by a 98% vote, overthrowing the Shah officially.
- April 9, 1948 – the period known as La Violencia begins with the assassination of Colombian Liberal Party leader Jorge Eliécer Gaitán. For the next ten years Liberals, Communists and Conservatives would fight each other in the conflict.
- April 9, 2003 – Government of Saddam Hussein overthrown by American forces in Iraq.
- April 19, 2006 – Han Myung-sook becomes South Korea's first female Prime Minister.
- April 24, 2005 – Presidential elections in Togo return Faure Gnassingbe to power two months after he was installed by the military following the death of his father, Gnassingbé Eyadéma.
- April 28, 1937 – Saddam Hussein, the President of Iraq is born.
- April 30, 1945 – Adolf Hitler and his wife of one day, Eva Braun, commit suicide as the Red Army approaches the Führerbunker in Berlin. Karl Dönitz succeeds Hitler as President of Germany; Joseph Goebbels succeeds Hitler as Chancellor of Germany.
Selected anniversaries May
Selected anniversaries June
Selected anniversaries July
Selected anniversaries August
Selected anniversaries September
Selected anniversaries October
- October 1, 1949 – The People's Republic of China is officially proclaimed.'
- October 1, 1982 – Helmut Kohl, described as "the greatest European leader of the second half of the 20th century" by George H. W. Bush and Bill Clinton, is elected Chancellor of Germany.
- October 4, 1849 – Official founding of the Colombian Conservative Party.
- October 7, 1949 – The Democratic Republic of Germany DDR is established officially.
- October 7, 2003 – Voters recall Governor Gray Davis from office and elect actor Arnold Schwarzenegger to succeed him.
- October 10, 1911 – The Wuchang Uprising starts the Xinhai Revolution that leads to the founding of the Republic of China.
- October 10, 1919 – The Kuomintang of China was founded.
- October 27, 2005 – The political establishment in France is rocked by the spread of rioting among poor immigrant communities in suburbs of the major cities.
Selected anniversaries November
- November 4, 1980 – Ronald Reagan defeats Jimmy Carter in the presidential election and becomes the 40th President of the United States.
- November 4, 2008 – Barack Obama was elected as the 44th President of the United States, becoming the first African American elected to the office. Congressional elections for the House of Representatives and one third of the Senators (second class) were also held.
- November 7, 2000 – Hillary Rodham Clinton is elected to the United States Senate, becoming the first First Lady of the United States to win public office.
- November 7, 1917 – The workers of the Petrograd Soviet in Russia, led by the Bolshevik Party and leader Vladimir Lenin, storm the Winter Palace and successfully destroy the Kerensky Provisional Government, resulting in the first overthrow of capitalism in history.
- November 11, 2004 – Former Palestinian President Yasser Arafat dies from a mysterious illness, aged 75.
- November 21, 2004 – Ukrainian presidential election, 2004: Viktor Yanukovych is declared the winner in the final round. International election observers express severe criticism, and large crowds gather in a protest rally in Kiev; 12 days later, the Supreme Court annuls the result, and a new poll is scheduled.
- November 22, – In Dallas, Texas, United States President John F. Kennedy is assassinated, Texas Governor John B. Connally is seriously wounded, and Vice President Lyndon Baines Johnson becomes the 36th President. All television coverage for the next four days is devoted to the assassination, its aftermath, the procession of the horsedrawn casket to the Capitol Rotunda, and the funeral of President Kennedy. Stores and businesses shut down for the entire weekend and Monday, in tribute.
Selected anniversaries December
- December 7, 2003 – the Conservative Party of Canada is formed.
- December 13, 2000 – The U.S. Supreme Court stops the Florida presidential recount, effectively giving the state, and the Presidency, to George W. Bush.
- December 6, 2005 – David Cameron becomes the 26th Leader of the British Conservative Party
- December 15, 2005 – Parliamentary elections are held in Iraq.
- December 17, 2005 – Evo Morales wins the presidential elections in Bolivia, ousting incumbent Eduardo Rodriguez and becoming the country's first indigenous leader.
- December 18, 1834 – Sir Robert Peel publishes the Tamworth Manifesto which lays the foundation for the modern British Conservative Party.
- December 30, 2006 – Former Iraqi dictator, Saddam Hussein is hanged.