On this day in 1968, the first International Special Olympics Summer Games were held at Soldier Field in Chicago, with about 1,000 athletes with intellectual disabilities.
On this day in 1969, Apollo 11's crew successfully made the first landing on the Moon in the Sea of Tranquility. Americans Neil Armstrong and Buzz Aldrin became the first humans to walk on the Moon later that day (Eastern Time Zone).
On this day in 1997, the fully restored USS Constitution celebrated its 200th birthday by setting sail for the first time in 116 years.