WHAT ALL HAPPENED APRIL TO JULY 1923
Find out what all happened April to July 1923

Firestone Tire and Rubber Company begins production of balloon-tires. (5. April 1923)

The first Prefects Board in Southeast Asia is formed in Victoria Institution, Malaysia. (6. April 1923)

Insulin becomes generally available for use by people with diabetes. (15. April 1923)

Checker Taxi puts its first taxi on the streets. (18. June 1923)

In Vienna, the paper Das Ich und das Es (The Ego and the Id) by Sigmund Freud is published, which outlines Freud's theories of the id, ego, and super-ego. (24. April 1923)

The Hollywood Sign is officially dedicated in the hills above Hollywood, Los Angeles, California. It originally reads "Hollywoodland " but the four last letters are dropped after renovation in 1949. (13. July 1923)

24 Hours of Le Mans, was first held, and has since been run annually in June. (26. May 1923)

Yankee Stadium, "The House that Ruth Built", opens. (18. April 1923)

Bulgaria's military takes over the government in a coup. (9. June 1923)

The Duke of York weds Lady Elizabeth Bowes-Lyon at Westminster Abbey. (26. April 1923)

Robert Bellarmine, a Doctor of the Catholic Church, is beatified. (13. May 1923)

The Treaty of Lausanne, settling the boundaries of modern Turkey, is signed in Switzerland by Greece, Bulgaria and other countries that fought in World War I. (24. July 1923)

The Canadian Parliament suspends all Chinese immigration. (1. July 1923)

Capt. Lowell H. Smith and Lt. John P. Richter perform the first ever aerial refueling in a DH-4B biplane (25. June 1923)