WHAT HAPPENED IN 1917.
Look what happened the 1917.

World War I: the Battle of Rafa is fought near the Egyptian border with Palestine. (9. January 1917)

The Kingsland munitions factory explosion occurs as a result of sabotage. (11. January 1917)

The United States pays Denmark $25 million for the Virgin Islands. (17. January 1917)

Silvertown explosion: 73 are killed and 400 injured in an explosion in a munitions plant in London. (19. January 1917)

World War I: President Woodrow Wilson of the still-neutral United States calls for "peace without victory" in Europe. (22. January 1917)

Municipally-owned streetcars take to the streets of San Francisco. (28. January 1917)

World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus. (31. January 1917)

World War I: The United States breaks off diplomatic relations with Germany a day after the latter announced a new policy of unrestricted submarine warfare. (3. February 1917)

The current constitution of Mexico is adopted, establishing a federal republic with powers separated into independent executive, legislative, and judicial branches. (5. February 1917)

The Congress of the United States passes the Immigration Act of 1917 over President Woodrow Wilson's veto. Also known as the Asiatic Barred Zone Act, it forbade immigration from nearly all of south and southeast Asia. (5. February 1917)

First demonstrations in Saint Petersburg, Russia. The beginning of the February Revolution. (23. February 1917)

World War I: The U.S. ambassador to the United Kingdom is given the Zimmermann Telegram, in which Germany pledges to ensure the return of New Mexico, Texas, and Arizona to Mexico if Mexico declares war on the United States. (24. February 1917)

The Original Dixieland Jass Band records the first jazz record, for the Victor Talking Machine Company in New York. (26. February 1917)

The U.S. government releases the unencrypted text of the Zimmermann Telegram to the public. (1. March 1917)

The enactment of the Jones-Shafroth Act grants Puerto Ricans United States citizenship. (2. March 1917)

Jeannette Rankin of Montana becomes the first female member of the United States House of Representatives. (4. March 1917)

International Women's Day protests in St. Petersburg mark the beginning of the February Revolution (so named because it was February on the Julian calendar). (8. March 1917)

The United States Senate votes to limit filibusters by adopting the cloture rule. (8. March 1917)

Some provinces and cities in the Philippines were incorporated due to the ratification of Act No. 2711 or the Administrative Code of the Philippines. (10. March 1917)

World War I: Baghdad falls to Anglo-Indian forces commanded by General Stanley Maude. (11. March 1917)