| Event | Month |
|---|
| 2004 Indian Ocean tsunami | |
| Oklahoma City bombing | |
| Death of Osama bin Laden announced | |
| Bombing of Hiroshima and Nagasaki | |
| Collapse of the Berlin Wall | |
| Archduke Franz Ferdinand assassinated | |
| V-J Day (US) | |
| Sinking of the Titanic | |
| 1939 Nazi invasion of Poland | |
| Saint Valentine's Day Massacre | |
| 2010 Haiti earthquake | |
| John Lennon killed | |
| Hurricane Katrina makes landfall | |
| Attack on World Trade Center and Pentagon | |
| Euro banknotes enter circulation | |
| Nelson Mandela released from prison | |
| Space Shuttle Columbia disaster | |
| Tiger Woods crashes his Escalade | |
| 1972 Munich Olympics massacre | |
| 2003 US-led coalition invasion of Iraq | |
| Soviets launch Sputnik | |
| Start of Deepwater Horizon oil spill | |
| First of the 2001 anthrax attacks | |
| 1929 stock market crash | |
| Kristallnacht | |
| Bush v. Gore Supreme Court Decision | |
| Chernobyl nuclear accident | |
| Miracle on Ice | |
| D-Day | |
| Storming of the Bastille | |
| Julius Caesar assassinated | |
| John F. Kennedy assassinated | |
| Neil Armstrong walks on the moon | |
| Guy Fawkes failed Gunpowder Plot | |
| Attack on Pearl Harbor | |
| V-E Day | |
| Attacks on London Underground | |
| Death of Princess Diana | |
| Space Shuttle Challenger disaster | |
| Richard Nixon resigns | |
| Armistice Day (1918) | |
| Abraham Lincoln assassinated | |
| Cuban Missile Crisis | |
| 2004 Indian Ocean tsunami | |
| Oklahoma City bombing | |
| Death of Osama bin Laden announced | |
| Bombing of Hiroshima and Nagasaki | |
| Collapse of the Berlin Wall | |
| Archduke Franz Ferdinand assassinated | |
| V-J Day (US) | |
| Sinking of the Titanic | |
| Saint Valentine's Day Massacre | |
| 1939 Nazi invasion of Poland | |
| 2010 Haiti earthquake | |
| John Lennon killed | |
| Hurricane Katrina makes landfall | |
| Attack on World Trade Center and Pentagon | |
| Euro banknotes enter circulation | |
1980 
1989 
1969
