World War I: The Allies reach the Yser Canal at the Battle of Passchendaele. Date: July 27, 1917 Read more on Wikipedia → 📅 Other events on July 27 📅 Events on this day in 1917 📅 On This Day (Today)

The Chicago Race Riot erupts after a racial incident occurred on a South Side beach, leading to 38 fatalities and 537 injuries over a five-day period. Date: July 27, 1919 Read more on Wikipedia → 📅 Other events on July 27 📅 Events on this day in 1919 📅 On This Day (Today)

Researchers at the University of Toronto, led by biochemist Frederick Banting, prove that the hormone insulin regulates blood sugar. Date: July 27, 1921 Read more on Wikipedia → 📅 Other events on July 27 📅 Events on this day in 1921 📅 On This Day (Today)

The Geneva Convention of 1929, dealing with treatment of prisoners-of-war, is signed by 53 nations. Date: July 27, 1929 Read more on Wikipedia → 📅 Other events on July 27 📅 Events on this day in 1929 📅 On This Day (Today)

The animated short A Wild Hare is released, introducing the character of Bugs Bunny. Date: July 27, 1940 Read more on Wikipedia → 📅 Other events on July 27 📅 Events on this day in 1940 📅 On This Day (Today)

World War II: Allied forces successfully halt the final Axis advance into Egypt. Date: July 27, 1942 Read more on Wikipedia → 📅 Other events on July 27 📅 Events on this day in 1942 📅 On This Day (Today)

In Vatican City, Rome, canonization of Catherine Labouré, the saint whose apparitions of the Virgin Mary originated the worldwide distribution of the Miraculous Medal. Date: July 27, 1947 Read more on Wikipedia → 📅 Other events on July 27 📅 Events on this day in 1947 📅 On This Day (Today)

Initial flight of the de Havilland Comet, the first jet-powered airliner. Date: July 27, 1949 Read more on Wikipedia → 📅 Other events on July 27 📅 Events on this day in 1949 📅 On This Day (Today)

Korean War: Cessation of hostilities is achieved when the United States, China, and North Korea sign an armistice agreement. Syngman Rhee, President of South Korea, refuses to sign but pledges to observe the armistice. Date: July 27, 1953 Read more on Wikipedia → 📅 Other events on July 27 📅 Events on this day in…

El Al Flight 402 is shot down by two fighter jets after straying into Bulgarian air space. All 58 people on board are killed. Date: July 27, 1955 Read more on Wikipedia → 📅 Other events on July 27 📅 Events on this day in 1955 📅 On This Day (Today)