World War II: The Battle of the Netherlands: After fierce fighting, the poorly trained and equipped Dutch troops surrender to Germany, marking the beginning of five years of occupation. Date: May 15, 1940 Read more on Wikipedia → 📅 Other events on May 15 📅 Events on this day in 1940 📅 On This Day…

USS Sailfish is recommissioned. It was originally the USS Squalus. Date: May 15, 1940 Read more on Wikipedia → 📅 Other events on May 15 📅 Events on this day in 1940 📅 On This Day (Today)

First flight of the Gloster E.28/39, the first British and Allied jet aircraft. Date: May 15, 1941 Read more on Wikipedia → 📅 Other events on May 15 📅 Events on this day in 1941 📅 On This Day (Today)

World War II: In the United States, a bill creating the Women's Army Auxiliary Corps (WAAC) is signed into law. Date: May 15, 1942 Read more on Wikipedia → 📅 Other events on May 15 📅 Events on this day in 1942 📅 On This Day (Today)

Joseph Stalin dissolves the Comintern (or Third International). Date: May 15, 1943 Read more on Wikipedia → 📅 Other events on May 15 📅 Events on this day in 1943 📅 On This Day (Today)

World War II: The Battle of Poljana, the final skirmish in Europe, is fought near Prevalje, Slovenia. Date: May 15, 1945 Read more on Wikipedia → 📅 Other events on May 15 📅 Events on this day in 1945 📅 On This Day (Today)

Following the expiration of The British Mandate for Palestine, the Kingdom of Egypt, Transjordan, Lebanon, Syria, Iraq and Saudi Arabia invade Israel, thus starting the 1948 Arab–Israeli War. Date: May 15, 1948 Read more on Wikipedia → 📅 Other events on May 15 📅 Events on this day in 1948 📅 On This Day (Today)

At Malden Island in the Pacific Ocean, Britain tests its first hydrogen bomb in Operation Grapple. Date: May 15, 1957 Read more on Wikipedia → 📅 Other events on May 15 📅 Events on this day in 1957 📅 On This Day (Today)

Project Mercury: The launch of the final Mercury mission, Mercury-Atlas 9 with astronaut Gordon Cooper on board. He becomes the first American to spend more than a day in space, and the last American to go into space alone. Date: May 15, 1963 Read more on Wikipedia → 📅 Other events on May 15 📅…

President Richard Nixon appoints Anna Mae Hays and Elizabeth P. Hoisington as the first female United States Army generals. Date: May 15, 1970 Read more on Wikipedia → 📅 Other events on May 15 📅 Events on this day in 1970 📅 On This Day (Today)