It happened on a… July 18

The Government of Detroit, with up to $20 billion in debt, files for the largest municipal bankruptcy in U.S. history.

Kim Jong-un is officially appointed Supreme Leader of North Korea and given the rank of Marshal in the Korean People's Army.

Storms provoke severe flooding on the Saguenay River, beginning one of Quebec's costliest natural disasters ever: the Saguenay Flood.

Romania's 14-year-old star gymnast Nadia Comaneci, performing on the uneven parallel bars, scores the first perfect 10 in Olympic gymnastics history.

Intel is founded in Mountain View, California.

The U.S. and Canada signed a treaty to develop the St. Lawrence Seaway.

Adolf Hitler publishes Mein Kampf (original title was the catchy “Four and a Half Years (of Struggle) Against Lies, Stupidity and Cowardice”).

First human test of a vaccine against cholera; Ukrainian bacteriologist Waldemar Huffkine risks his life by testing it on himself.