George Washington created the Purple Heart medal that symbolizes military merit.
Source
American inventor Theophilus Van Kannel was granted the patent for the revolving door.
NASA's Explorer 6 satellite launched from Cape Canaveral, Florida.
The Eden train wreck happened when a trail derailed from Denver, Colorado, to St Louis, Missouri.
Hollywood's first full Asian cast movie called 'Crazy Rich Asians' was released.
The first British troops arrived in France during World War I.
