AT&T was founded by Alexander Graham Bell, Gardiner Greene Hubbard, and Thomas Sanders.
Source
The US Public Broadcasting Service (PBS) was founded.
During World War I, as a soldier, Adolf Hitler was injured by a grenade blast.
The Constitution of the Federative Republic of Brazil was ratified.
A Russian actress and a film director were launched into space to create the world's first film in orbit.
Britain's R101 airship crashed in France on its maiden voyage.