WHAT ALL HAPPENED APRIL TO AUGUST 1917
Find out what all happened April to August 1917

The Allies reach the Yser Canal at the Battle of Passchendaele. (27. July 1917)

World War I: Conscription begins in the United States as "Army registration day". (5. June 1917)

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

World War I: The Selective Service Act of 1917 is passed, giving the President of the United States the power of conscription. (18. May 1917)

World War I: the deadliest German air raid on London during World War I is carried out by Gotha G bombers and results in 162 deaths, including 46 children, and 432 injuries. (13. June 1917)

A Great Fire in Thessaloniki, Greece destroys 32% of the city leaving 70,000 individuals homeless. (18. August 1917)

World War I: Arabian troops led by T. E. Lawrence ("Lawrence of Arabia") and Auda ibu Tayi capture Aqaba from the Ottoman Empire during the Arab Revolt. (6. July 1917)

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

In a game against the Washington Senators, Boston Red Sox pitcher Ernie Shore retires 26 batters in a row after replacing Babe Ruth, who had been ejected for punching the umpire. (23. June 1917)

World War I: Battle of Mărăşeşti between the Romanian and German armies begins. (6. August 1917)

The East St. Louis Riots end. (2. July 1917)

Ten Suffragettes are arrested while picketing the White House. (28. August 1917)

The Great Atlanta fire of 1917 causes $5.5 million in damages, destroying some 300 acres including 2,000 homes, businesses and churches, displacing about 10,000 people but leading to only one fatality (due to heart attack). (21. May 1917)

The first Pulitzer Prizes are awarded: Laura E. Richards, Maude H. Elliott, and Florence Hall receive the first Pulitzer for biography (for Julia Ward Howe). Jean Jules Jusserand receives the first Pulitzer for history for his work With Americans of Past and Present Days. Herbert B. Swope receives the first Pulitzer for journalism for his work for the New York World. (4. June 1917)

World War I: Battle of Messines – Allied soldiers detonated ammonal mines underneath German trenches at Messines Ridge, killing 10,000 German troops. (7. June 1917)

World War I: The Battle of Arras – the battle begins with Canadian Corps executing a massive assault on Vimy Ridge. (9. April 1917)

The Bisbee Deportation occurs as vigilantes kidnap and deport nearly 1,300 striking miners and others from Bisbee, Arizona. (12. July 1917)

World War I: The Corfu Declaration, which leads to the creation of the post-war Kingdom of Yugoslavia, is signed by the Yugoslav Committee and Kingdom of Serbia. (20. July 1917)

Vietnamese prison guards led by Trịnh Văn Cấn mutiny at the Thái Nguyên penitentiary against local French authority. (30. August 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)