| Event | Before or After | Year |
|---|
| Jonas Salk develops vaccine for polio | |
| The American Civil War ends at Appomattox Court House | |
| The American Kennel Club is founded | |
| The Boxer Rebellion begins in China | |
| In Washington, the Lincoln Memorial is dedicated | |
| Henry Ford establishes Ford Motor Company | |
| The Treaty of Versailles is signed, ending World War I | |
| Mohandas Gandhi was born | |
| Archduke Franz Ferdinand was assassinated | |
| Winston Churchill becomes prime minister of the UK | |
| The first Academy Awards are held | |
| Coca-Cola is introduced | |
| The telephone was patented by Alexander Graham Bell | |
| Cuba is recognized as an independent nation | |
| The first Rose Bowl football game is held in California | |
| Henry Ford establishes Ford Motor Company | |
| The United Nations was founded | |
| Winston Churchill becomes prime minister of the UK | |
| Cuba is recognized as an independent nation | |
| The Great Depression begins in the US | |
| Charles Dickens writes 'A Tale of Two Cities' | |
| The American Kennel Club is founded | |
| Arizona achieves statehood | |
| Mohandas Gandhi was born | |
| Archduke Franz Ferdinand was assassinated | |
| The telephone was patented by Alexander Graham Bell | |
| The Boxer Rebellion begins in China | |
| The Qing Dynasty ends, finishing years of Chinese dynasties | |
| Tchaikovsky's 'The Nutcracker' ballet premiers | |
| The first Rose Bowl football game is held in California | |
| The Russian Revolution begins | |
| In Washington, the Lincoln Memorial is dedicated | |
| Olympic Games are revived by International Olympic Committee | |
| Neils Bohr, a physicist, introduces his Bohr Model of an atom | |
| Jonas Salk develops vaccine for polio | |
| The American Civil War ends at Appomattox Court House | |
| In hopes to divide Africa, the Berlin Conference begins | |
| The first Academy Awards are held | |
| James Naismith invents the sport of basketball | |
| The Treaty of Versailles is signed, ending World War I | |
| The US government recognizes Yellowstone a national park | |
| The first saxophone was invented by Adolphe Sax | |
| The RMS Titanic sinks in the Atlantic Ocean | |
| Orville and Wilbur Wright complete a successful aircraft | |
| Coca-Cola is introduced | |
The USA Declares War!
Original 13 Colonies
20th Century by Image
