WHAT ALL HAPPENED FEBRUARY TO MAY 1917
Find out what all happened February to May 1917

Three children report the first apparition of Our Lady of Fátima in Fátima, Portugal. (13. May 1917)

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

The Georgian Orthodox Church restores its autocephaly abolished by Imperial Russia in 1811. (25. March 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)

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

World War I: The United States declares war on Germany (see President Woodrow Wilson's address to Congress). (6. April 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 United States Senate votes to limit filibusters by adopting the cloture rule. (8. 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 Norwegian football club Rosenborg BK was founded. (19. May 1917)

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

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

The Commonwealth War Graves Commission is established through Royal Charter to mark, record and maintain the graves and places of commemoration of Commonwealth of Nations military forces. (21. May 1917)

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

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

World War I: Canadian forces successfully complete the taking of Vimy Ridge from the Germans. (12. April 1917)

Several powerful tornadoes rip through Illinois, including the city of Mattoon, killing 101 people and injuring 689. (26. May 1917)

World War I: United States President Woodrow Wilson asks the U.S. Congress for a declaration of war on Germany. (2. April 1917)