WHAT ALL HAPPENED FEBRUARY TO JUNE 1924
Find out what all happened February to June 1924

The Soviet Union signs an agreement with the Beijing government, referring to Outer Mongolia as an "integral part of the Republic of China", whose "sovereignty" therein the Soviet Union promises to respect. (31. May 1924)

The Klaipėda Convention is signed formally incorporating Klaipėda Region (Memel Territory) into Lithuania. (8. May 1924)

The U.S. President Calvin Coolidge signs the Indian Citizenship Act into law, granting citizenship to all Native Americans born within the territorial limits of the United States. (2. June 1924)

The Castle Gate mine disaster kills 172 coal miners near Castle Gate, Utah. (8. March 1924)

The Royal Greenwich Observatory begins broadcasting the hourly time signals known as the Greenwich Time Signal or the "BBC pips". (5. February 1924)

The United Kingdom recognizes the USSR. (1. February 1924)

The Computing-Tabulating-Recording Company changes its name to International Business Machines Corporation (IBM). (14. February 1924)

Simon & Schuster publishes the first crossword puzzle book. (18. April 1924)

Capital punishment: The first state execution in the United States by gas chamber takes place in Nevada. (8. February 1924)

U.S. President Calvin Coolidge becomes the first President to deliver a radio broadcast from the White House. (22. February 1924)

University of Chicago students Richard Loeb and Nathan Leopold, Jr. murder 14-year-old Bobby Franks in a "thrill killing". (21. May 1924)

The Free State of Fiume is annexed by Kingdom of Italy. (3. March 1924)

The Royal Canadian Air Force is formed. (1. April 1924)

Fascists kidnap and kill Italian Socialist leader Giacomo Matteotti in Rome. (10. June 1924)

The Whampoa Military Academy is founded. (16. June 1924)

First round-the-world flight commences. (6. April 1924)

Mercedes-Benz is formed by Gottlieb Daimler and Karl Benz merging their two companies. (11. May 1924)

In the second attempt to climb Mount Everest, George Mallory and Andrew "Sandy" Irvine disappear, possibly having first made it to the top. (9. June 1924)

George Gershwin's Rhapsody in Blue received its premiere in a concert titled "An Experiment in Modern Music," in Aeolian Hall, New York, by Paul Whiteman and his band, with Gershwin playing the piano. (12. February 1924)

Rand McNally publishes its first road atlas. (15. April 1924)