WHAT HAPPENED IN 1873.
Look what happened the 1873.

Japan begins using the Gregorian calendar. (1. January 1873)

A group of Modoc warriors defeats the United States Army in the First Battle of the Stronghold, part of the Modoc War. (17. January 1873)

King Amadeo I of Spain abdicates. (11. February 1873)

Bulgarian revolutionary leader Vasil Levski is executed by hanging in Sofia by the Ottoman authorities. (18. February 1873)

The University of California opens its first medical school in San Francisco, California. (20. February 1873)

E. Remington and Sons in Ilion, New York begins production of the first practical typewriter. (1. March 1873)

Censorship in the United States: The U.S. Congress enacts the Comstock Law, making it illegal to send any "obscene, lewd, or lascivious" books through the mail. (3. March 1873)

A law is approved by the Spanish National Assembly in Puerto Rico to abolish slavery. (22. March 1873)

The British steamer RMS Atlantic sinks off Nova Scotia, killing 547. (1. April 1873)

The Kennel Club is founded, the oldest and first official registry of purebred dogs in the world. (4. April 1873)

The Colfax massacre, in which more than 60 African Americans are murdered, takes place. (13. April 1873)

Der Krach: Vienna stock market crash heralds the Long Depression. (9. May 1873)

Coronation of Oscar II of Sweden (12. May 1873)

Levi Strauss and Jacob Davis receive a U.S. patent for blue jeans with copper rivets. (20. May 1873)

The Canadian Parliament establishes the North-West Mounted Police, the forerunner of the Royal Canadian Mounted Police. (23. May 1873)

Alexandra Palace in London burns down after being open for only 16 days. (9. June 1873)

Susan B. Anthony is fined $100 for attempting to vote in the 1872 presidential election. (18. June 1873)

Prince Edward Island joins the Canadian Confederation. (1. July 1873)

At Adair, Iowa, Jesse James and the James-Younger Gang pull off the first successful train robbery in the American Old West. (21. July 1873)

The Clay Street Hill Railroad begins operating the first cable car in San Francisco's famous cable car system. (2. August 1873)