WHAT ALL HAPPENED JANUARY TO APRIL 1917
Find out what all happened January to April 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)

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)

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

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

Tsar Nicholas II of Russia abdicates the Russian throne and his brother the Grand Duke becomes Tsar. (15. March 1917)

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

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

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

The United States takes possession of the Danish West Indies after paying $25 million to Denmark, and renames the territory the United States Virgin Islands. (31. March 1917)

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

World War I: The United States declares war on Germany (see President Woodrow Wilson's address to Congress). (6. April 1917)

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

Vladimir Lenin returns to Petrograd, Russia from exile in Switzerland. (16. April 1917)

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

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)

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