WHAT ALL HAPPENED JUNE TO SEPTEMBER 1938
Find out what all happened June to September 1938

Mobilization of the Czechoslovak army in response to the Munich Crisis. (23. September 1938)

World speed record for a steam railway locomotive is set in England, by the Mallard, which reaches a speed of 126 miles per hour (203 km/h). (3. July 1938)

The Douglas DC-4E made its first test flight. (7. June 1938)

Bulgaria signs a non-aggression pact with Greece and other states of Balkan Antanti (Turkey, Romania, Yugoslavia). (31. July 1938)

The Great Hurricane of 1938 makes landfall on Long Island in New York. The death toll is estimated at 500-700 people. (21. September 1938)

English cricketer Len Hutton sets a world record for the highest individual Test innings of 364, during a Test match against Australia. (23. August 1938)

Lou Gehrig hits his 23rd career grand slam – a record that stood for 75 years until it was broken by Alex Rodriguez. (20. August 1938)

The United States Department of Justice files suit in New York, New York against the motion picture industry charging violations of the Sherman Antitrust Act in regards to the studio system. The case would eventually result in a break-up of the industry in 1948. (20. July 1938)

Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia. (12. September 1938)

The Thousand Islands Bridge, connecting New York, United States with Ontario, Canada over the Saint Lawrence River, is dedicated by U.S. President Franklin D. Roosevelt. (18. August 1938)

The Civil Aeronautics Act is signed into law, forming the Civil Aeronautics Authority in the United States. (23. June 1938)

Chile: A group of youths affiliated with the fascist National Socialist Movement of Chile are assassinated in the Seguro Obrero massacre. (5. September 1938)

The Holocaust: The building of Mauthausen concentration camp begins. (7. August 1938)

The League of Nations unanimously outlaws "intentional bombings of civilian populations". (30. September 1938)

Howard Hughes sets a new record by completing a 91-hour airplane flight around the world. (10. July 1938)

Second Sino-Japanese War: The Chinese Nationalist government creates the 1938 Yellow River flood to halt Japanese forces. 500,000 to 900,000 civilians are killed. (11. June 1938)

First ascent of the Eiger north face. (24. July 1938)

Pieces of a meteor, estimated to have weighed 450 metric tons when it hit the Earth's atmosphere and exploded, land near Chicora, Pennsylvania. (24. June 1938)

Dr. Douglas Hyde is inaugurated as the first President of Ireland. (25. June 1938)

Archaeologists discover engraved gold and silver plates from King Darius the Great in Persepolis. (31. July 1938)