- Jun 1 Ignacy Mocicki elected President of Poland
- Jun 4 Ignacy Mościcki becomes President of Poland (holds office till 1939)
- Jun 5 Clevelands Indians baseball team triple-play NY Yankees & win 15-3
- Jun 6 Egyptian government of Adly Pasha forms
- Jun 7 Swedish government of Ekman forms
- Jun 10 MLB Philadelphia Phillies Russ Wrightstone hits for the cycle
- Jun 12 58th Belmont: Albert Johnson aboard Crusader wins in 2:32.2
- Jun 12 Brazil leaves League of Nations
- Jun 14 French Championships Men's Tennis: Henri Cochet wins 1st of 4 home titles; beats fellow Frenchman René Lacoste 6-2, 6-4, 6-3
- Jun 14 French Women's Tennis Championships: Suzanne Lenglen beats Mary Kendall Browne 6-1, 6-0
Historic Event
Jun 15 7th French government of Aristide Briand falls
- Jun 18 Theodor Lessing laid-off "because he is a Jew" in Hanover
- Jun 19 DeFord Bailey is 1st African American to perform on Nashville's "Grand Ole Opry"
- Jun 20 Mordecai W Johnson becomes 1st black president of Howard University
- Jun 22 Cardinals pick up 39-year-old Grover Alexander on waivers from Cubs
- Jun 23 8th French government of Aristide Briand forms
- Jun 23 The College Board administers the first SAT exam in USA
British Golf Open
Jun 25 British Open Men's Golf, Royal Lytham & St Annes GC: American amateur Bobby Jones wins the first of his 3 Claret Jugs, 2 strokes clear of runner-up Al Watrous; 5th victory by an American in 6 years
Historic Event
Jun 29 Arthur Meighen returns to office as Prime Minister of Canada