The Great Kantō earthquake struck Japan.
The Treaty of Lausanne is signed between Turkey and the countries that formed the Allied Powers in the First World War.
The famous iconic Hollywood sign was placed in Hollywood Hills, Los Angeles, California, US.
Harry Houdini broke free from a straitjacket while hanging upside down 40 feet in New York City, US.
The first-ever Le Mans endurance race began.
The Firestone Tire and Rubber Company started selling inflatable tires from Akron, Ohio.
The first dance marathon took place in New York City, US.
President Warren G. Harding became the first president to pay taxes in the US.
Egyptian King Tutankhamun's coffin was discovered.
The Irish Free State constitution becomes law.
British archaeologists entered the tomb of King Tutankhamun.
The Ottoman Empire ended when the last Sultan Mehmed VI was exiled to Malta on a British warship.
A British-led team of archaeologists located the entrance to Tutankhamun's tomb.
Constantine I of Greece abdicates.
Irish Politician Michael Collins is Assassinated.
The Hinterkaifeck Murders occurred, where six people were brutally killed on a remote farmstead in Germany, and the killer was never identified.
The first public Bat Mitzvah was held in New York City. It was for a girl named Judith Kaplan.
Fuad I became King of Egypt.
Mahatma Gandhi was sentenced to six years in prison for his civil disobedience during a protest.
The Anglo-Irish Treaty, agreed to by the British Parliament and Sinn Féin, was ratified.
Eamon de Valera publicly repudiated the Anglo-Irish Treaty.
The Anglo-Irish Treaty was signed.
US President Warren G. Harding signed the Willis-Campbell Act, which took effect from this day.
The Japanese Prime Minister, Hara Takashi, was assassinated in Tokyo.
Nahalal, the first moshav in modern-day Israel, was settled.
Margaret Gorman from Washington, D.C., became the very first Miss America.
The Chinese Communist Party was founded in Shanghai.
Alice Mary Robertson became the first woman to govern the US House of representatives.
The Communist Party of China was founded with Chen Duxiu as the leader.
The British Legion was formed to take care of veterans by giving financial, social, and emotional support to members and veterans of the British Armed Forces.
The Communist Party of Romania was founded.
West Virginia became the first state to impose a sales tax.
Albert Einstein visited New York City and lectured on his Theory of Relativity for the first time.
The Iraqi Army was formed.
Irish Republican Army (IRA) ambushed British soldiers near Kilmichael in County Cork.
"Bloody Sunday" begins with the assassination of 14 undercover British intelligence agents by an IRA squad organised by Michael Collins.
Benito Mussolini and Leandro Arpinati led squads of fighters in the melee between Fascists and Socialists in Bologna, Italy.
The Model M Postage Meter was put into commercial use.
The General Assembly of the League of Nations meets in Geneva for the first time.
The Communist Party of Australia (CPA) was founded in Sydney by a group inspired by the Russian Revolution.
Times Square Theater opened with a capacity of 1,032.
The Wall Street bombing took place in Manhattan, New York City.
The Nineteenth Amendment to the United States Constitution was certified, giving women the right to vote.
The State of Tennessee Passes the 19th Amendment to the United States Constitution.
Moscow Peace Treaty is signed.
US Post Office banned customers from mailing children and animals.
The Democratic Republic of Georgia's independence was recognized by the Soviet Union.
The Azerbaijan Soviet Socialist Republic was founded.
The Ottoman Empire was abolished.
The first German Expressionist film is premiered.
