After a month-long campaign, the majority of North Korea's Air Force was destroyed by anti-communist forces. Date: July 20, 1950 Read more on Wikipedia → 📅 Other events on July 20 📅 Events on this day in 1950 📅 On This Day (Today)

Cold War: In Philadelphia, Harry Gold pleads guilty to spying for the Soviet Union by passing secrets from atomic scientist Klaus Fuchs. Date: July 20, 1950 Read more on Wikipedia → 📅 Other events on July 20 📅 Events on this day in 1950 📅 On This Day (Today)

King Abdullah I of Jordan is assassinated by a Palestinian while attending Friday prayers in Jerusalem. Date: July 20, 1951 Read more on Wikipedia → 📅 Other events on July 20 📅 Events on this day in 1951 📅 On This Day (Today)

Germany: Otto John, head of West Germany's secret service, defects to East Germany. Date: July 20, 1954 Read more on Wikipedia → 📅 Other events on July 20 📅 Events on this day in 1954 📅 On This Day (Today)

The Polaris missile is successfully launched from a submarine, the USS George Washington, for the first time. Date: July 20, 1960 Read more on Wikipedia → 📅 Other events on July 20 📅 Events on this day in 1960 📅 On This Day (Today)

French military forces break the Tunisian siege of Bizerte. Date: July 20, 1961 Read more on Wikipedia → 📅 Other events on July 20 📅 Events on this day in 1961 📅 On This Day (Today)

Vietnam War: Viet Cong forces attack the capital of Định Tường Province, Cái Bè, killing 11 South Vietnamese military personnel and 40 civilians (30 of whom are children). Date: July 20, 1964 Read more on Wikipedia → 📅 Other events on July 20 📅 Events on this day in 1964 📅 On This Day (Today)

The first International Special Olympics Summer Games are held at Soldier Field in Chicago, with about 1,000 athletes with intellectual disabilities. Date: July 20, 1968 Read more on Wikipedia → 📅 Other events on July 20 📅 Events on this day in 1968 📅 On This Day (Today)

A cease fire is announced between Honduras and El Salvador, six days after the beginning of the "Football War". Date: July 20, 1969 Read more on Wikipedia → 📅 Other events on July 20 📅 Events on this day in 1969 📅 On This Day (Today)

Apollo program: Apollo 11's crew successfully makes the first human landing on the Moon in the Sea of Tranquility. Americans Neil Armstrong and Buzz Aldrin become the first humans to walk on the Moon six and a half hours later. Date: July 20, 1969 Read more on Wikipedia → 📅 Other events on July 20…