The world's first emergency telephone number, 999, is introduced in London. Date: June 30, 1937 Read more on Wikipedia → 📅 Other events on June 30 📅 Events on this day in 1937 📅 On This Day (Today)

World War II: The Battle of Cherbourg ends with the fall of the strategically valuable port to American forces. Date: June 30, 1944 Read more on Wikipedia → 📅 Other events on June 30 📅 Events on this day in 1944 📅 On This Day (Today)

The first Chevrolet Corvette rolls off the assembly line in Flint, Michigan. Date: June 30, 1953 Read more on Wikipedia → 📅 Other events on June 30 📅 Events on this day in 1953 📅 On This Day (Today)

A TWA Super Constellation and a United Airlines DC-7 collide above the Grand Canyon in Arizona and crash, killing all 128 on board both airliners. Date: June 30, 1956 Read more on Wikipedia → 📅 Other events on June 30 📅 Events on this day in 1956 📅 On This Day (Today)

A United States Air Force F-100 Super Sabre from Kadena Air Base, Okinawa, crashes into a nearby elementary school, killing 11 students plus six residents from the local neighborhood. Date: June 30, 1959 Read more on Wikipedia → 📅 Other events on June 30 📅 Events on this day in 1959 📅 On This Day…

Belgian Congo gains independence as Republic of the Congo (Léopoldville). Date: June 30, 1960 Read more on Wikipedia → 📅 Other events on June 30 📅 Events on this day in 1960 📅 On This Day (Today)

The National Organization for Women, the United States' largest feminist organization, is founded. Date: June 30, 1966 Read more on Wikipedia → 📅 Other events on June 30 📅 Events on this day in 1966 📅 On This Day (Today)

Pope Paul VI issues the Credo of the People of God. Date: June 30, 1968 Read more on Wikipedia → 📅 Other events on June 30 📅 Events on this day in 1968 📅 On This Day (Today)

The crew of the Soviet Soyuz 11 spacecraft are killed when their air supply escapes through a faulty valve. Date: June 30, 1971 Read more on Wikipedia → 📅 Other events on June 30 📅 Events on this day in 1971 📅 On This Day (Today)