On This Day
1977 - Voyager 1
Voyager I takes the first distant photograph of the Earth and the Moon together.
#On This Day
On This Day
On This Day
1870 - Washburn–Langford–Doane Expedition
During an expedition to the Wyoming Territory, Henry D. Washburn observes and names the Old Faithful Geyser.
On This Day
324 - Battle of Chrysopolis
Constantine the Great decisively defeats Licinius in the Battle of Chrysopolis, establishing Constantine's sole control over the Roman Empire.
On This Day
2001 - September 11 attacks
The New York Stock Exchange reopens for trading after the September 11 attacks, the longest closure since the Great Depression.
On This Day
1978 - Camp David Accords
The Camp David Accords are signed by Israel and Egypt.
On This Day
1683 - Antonie van Leeuwenhoek
Antonie van Leeuwenhoek writes a letter to the Royal Society describing "animalcules", later known as protozoa.
On This Day
2021 - Kennedy Space Center
Inspiration4, the first private orbital crewed spaceflight, is launched from the Kennedy Space Center.
On This Day
1987 - Montreal Protocol
The Montreal Protocol is signed to protect the ozone layer from depletion.
On This Day
1620 - Mayflower
Pilgrims set sail for Virginia from Plymouth, England in the Mayflower.
On This Day
2020 - Bahrain
Signing of the Bahrain–Israel normalization agreement occurs in Washington, D.C., normalizing relations between Israel and two Arab nations, the United Arab Emirates and Bahrain.
On This Day
1971 - Greenpeace
The first Greenpeace ship departs from Vancouver to protest against the upcoming Cannikin nuclear weapon test in Alaska.
On This Day
1916 - Battle of the Somme
World War I: Tanks are used for the first time in battle, at the Battle of the Somme.