Browse Historical Events by Day: What Happened on July 27th?

The Chicago race riot of 1919 begins. it was a violent racial conflict between white Americans and black Americans that lasted eight days. During the riot, 38 people died, 537 were injured and between 1,000 and 2,000 residents, most of them black, lost their homes. The riot is considered the worst of the scores of riots and civil disturbances across the United States during the "Red Summer" of 1919. More

The Insulin hormone is successfully isolated by Canadian doctors Frederick Banting and Charles Best. More

The First test flight of the de Havilland DH 106 Comet, takes place. The Havilland, developed and manufactured by de Havilland in the United Kingdom, went on to become the world's first commercial passenger jet aircraft to reach production and was commercially promising at its debut in 1952. Within a year, three Comets were lost after suffering catastrophic mishaps mid-flight. As a result, the Comet was extensively redesigned, with structural reinforcements and other changes. More

The Korean War armistice is signed, ending three years of fighting and establishing a demilitarized zone between North and South Korea. 1951. No peace treaty is signed.

The Korean War ended with the signing of an armistice by U.S. and North Korean delegates at Panmunjom, Korea. It brought an end to the hostilities that lasted just over three years and killed 2.5 million people. More

1990, July 27 - The Jamaat al Muslimeen attempted coup d'état in Trinidad and Tobago.