| This.. (X) | | ..or This? (Y) |
| Neil Armstrong walks on the moon. | |
| The UN is formed. | |
| King John signs the Magna Carta. | |
| Julius Caesar invades Britain. | |
| The Russian Revolution begins. | |
| The television is invented. | |
| Rome hosts the Olympic Games. | |
| World War I begins. | |
| 'Rain Man' wins Best Picture Oscar. | |
| The United States declares independence. | |
| The coronation of Elizabeth II. | |
| The Battle of Trafalgar. | |
| Uranus is discovered. | |
| The first 'Doctor Who' episode airs. | |
| The Xbox 360 is launched. | |
| Theodore Roosevelt becomes US President. | |
| John Lennon is assassinated. | |
| The American Civil War begins. | |
| The first 'Rolling Stone' magazine is published. | |
| Disney's 'Sleeping Beauty' is first shown. | |
| Disney's 'Sleeping Beauty' is first shown. | |
| Neil Armstrong walks on the moon. | |
| The UN is formed. | |
| King John signs the Magna Carta. | |
| Julius Caesar invades Britain. | |
| The Russian Revolution begins. | |
| The television is invented. | |
| Rome hosts the Olympic Games. | |
| World War I begins. | |
| 'Rain Man' wins Best Picture Oscar. | |
| The United States declares independence. | |
| The coronation of Elizabeth II. | |
| The Battle of Trafalgar. | |
| Uranus is discovered. | |
| The first 'Doctor Who' episode airs. | |
| The Xbox 360 is launched. | |
| Theodore Roosevelt becomes US President. | |
| John Lennon is assassinated. | |
| The American Civil War begins. | |
| The first 'Rolling Stone' magazine is published. | |