| Significant event | Year | Month Day |
| Christopher Columbus discovers America | |
| Neil Armstrong & Edwin Aldrin become 1st men on the moon (Apollo 11) | |
| Formal signing of the Declaration of Independence | |
| Death of Queen Victoria | |
| Stock Market crashed causing Great Depression to begin ('Black Tuesday') | |
| Germany invades Poland beginning World War II | |
| John Lennon, a member of the Beatles, dies | |
| Earthquake occurs in Haiti killing over 200,000 people | |
| President Abraham Lincoln is assassinated by John Wilkes Booth (Ford's Theater) | |
| The Great Fire of London begins at around 2 AM | |
| | Significant event | Year | Month Day |
| Titanic sinks at 2:27 AM as the band plays (Off Newfoundland) | |
| 'A date that will live in infamy' (Japanese attack Pearl Harbor) | |
| Terrorists hijack two planes and crash them into New York's World Trade Towers | |
| U.S. army led by Gen Hull invade Canada (War of ____) | |
| Martin Luther King Jr. assassinated in Memphis, Tennessee | |
| World War I begins when Austria-Hungary declares war on Serbia | |
| Joseph Aloisius Ratzinger was elected Pope Benedict XVI | |
| George Washington inaugurated as 1st president of the U.S. | |
| John F. Kennedy was assassinated while riding with his wife | |
| Sporcle was founded! | |
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