July 1917

Monday 02:

48 die in rioting in East St. Louis, Illinois, as lower-paid black laborers clash with whites.

Friday 06:

World War I: Arabian troops led by Lawrence of Arabia and Auda ibu Tayi capture Aqaba from the Turks during the Arab Revolt.

Saturday 07:

Russian Revolution: Prince Georgy Yevgenyevich Lvov forms Provisional Government in Russia after the deposing of the tsar.

Tuesday 17:

King George V of the United Kingdom issues a Proclamation stating that the male line descendants of the British royal family will bear the surname Windsor.

Friday 20:

In the United States, the first military draft numbers are drawn for World War I.

Wednesday 25:

Sir Thomas Whyte introduces the first income tax in Canada as a "temporary" measure (lowest bracket is 4% and highest is 25%).

Tuesday 31:

The Third Battle of Ypres starts in Flanders.