Oldest
An aircraft crashes at Los Llanos Air Base in Albacete, Spain, killing 11 people and injuring 21 others.
Disneyland Monorail System, the first daily operating monorail system in the Western Hemisphere, opens to the public in Anaheim, California.
Korean War: After four days, the No Gun Ri Massacre ends when the US Army 7th Cavalry Regiment is withdrawn.
Newest
Proud of your result? Share your genius with the world!