| July 4th 1929 | | AM radio station WOWO, Indiana's transmitter burns down
|
| July 4th 1930 | | 43rd Wimbledon Womens Tennis: Helen Moody beats Elizabeth Ryan (62 62)
|
| July 4th 1931 | | 1st fireworks are held at Cleveland Stadium
|
| July 4th 1931 | | 1st trailside museum opens in Cleveland Metroparks
|
| July 4th 1932 | | Bradman scores 260, a North American record, v Western Ontario
|
| July 4th 1933 | | Work begins on Oakland Bay Bridge
|
| July 4th 1934 | | Jordanians revolt in Amsterdam after reduction in employment
|
| July 4th 1936 | | 49th Wimbledon Womens Tennis: Hull Jacobs beats H Sperling (62 46 75)
|
| July 4th 1936 | | League of Nations starts sanctions against Italy
|
| July 4th 1938 | | France-Turkish friendship treaty
|
| July 4th 1938 | | 1st game at Shribe Park, Phila; Braves beat Phillies 10-5
|
| July 4th 1939 | | Red Sox Jim Tabor hits 2 grand slams in 1 game
|
| July 4th 1939 | | Yankees retire 1st uniform (Lou Gehrig #4), 1st Old Timers Day
|
| July 4th 1940 | | British destroys French battle fleet at Oran, Algeria, 1267 die
|
| July 4th 1940 | | German occupiers forbids anti-nazis speeches
|