WHAT ALL HAPPENED MARCH TO DECEMBER 1916
Find out what all happened March to December 1916

Romania declares war on Austria-Hungary, joining the Entente in World War I (14. August 1916)

Albert Einstein publishes his general theory of relativity. (20. March 1916)

Jeannette Rankin is the first woman elected to the United States Congress. (7. November 1916)

Anzac Day is commemorated for the first time on the first anniversary of the landing at Anzac Cove. (25. April 1916)

The Saturday Evening Post publishes its first cover with a Norman Rockwell painting (Boy with Baby Carriage). (20. May 1916)

Easter Rebellion: The United Kingdom declares martial law in Ireland. (25. April 1916)

The Professional Golfers' Association of America (PGA) is created in New York City. (10. April 1916)

World War I: Tanks are used for the first time in battle, at the Battle of the Somme. (15. September 1916)

World War I: The Battle of Verdun – German forces launch their third offensive of the battle. (9. April 1916)

Ernest Shackleton and five men of the Imperial Trans-Antarctic Expedition launch a lifeboat from uninhabited Elephant Island in the Southern Ocean to organise a rescue for the ice-trapped ship Endurance. (24. April 1916)

World War I: Battle of Romani – Allied forces, under the command of Archibald Murray, defeat an attacking Ottoman army under the command of Friedrich Freiherr Kress von Kressenstein, securing the Suez Canal and beginning the Ottoman retreat from the Sinai Peninsula. (5. August 1916)

Costa Rica signs the Buenos Aires Convention, a copyright treaty. (30. November 1916)

Romania declares war on Austria-Hungary, entering World War I as one of the Allied nations. (27. August 1916)

In Corona, California, race car driver Bob Burman crashes, killing three, and badly injuring five, spectators. (8. April 1916)

The Chicago Cubs play their first game at Weeghman Park (currently Wrigley Field), defeating the Cincinnati Reds 7-6 in 11 innings. (20. April 1916)

World War I: First Battle of the Somme – in France, British Expeditionary Force commander Douglas Haig calls off the battle which started on July 1, 1916. (18. November 1916)

In San Francisco, California, a bomb explodes on Market Street during a Preparedness Day parade killing 10 and injuring 40. (22. July 1916)

Sailing in the lifeboat James Caird, Ernest Shackleton arrives at South Georgia after a journey of 800 nautical miles from Elephant Island. (10. May 1916)

U.S. President Woodrow Wilson signs a bill incorporating the Boy Scouts of America, making them the only American youth organization with a federal charter. (15. June 1916)

In Seattle, Washington, William Boeing and George Conrad Westervelt incorporate Pacific Aero Products (later renamed Boeing). (15. July 1916)