
On this day in 1972, U. S. swimmer Mark Spitz won a record seventh gold medal at the Munich Summer Olympics.
In 1781, The ...

On this day in 1976, The unmanned U.S. spacecraft Viking II landed on Mars and took the first pictures of the planet's surface.
In ...
On this day in 1945, Japan formally surrendered to the U.S. ending World War II. The war ended six years and one day after it began. Japan's ...

On this day in 1939, World War II began when Germany invaded Poland.
In 1905, Saskatchewan and Alberta became the ninth and tenth provinces ...