Launch of Salyut 1, the first space station.
18 April 1847
American victory at the battle of Cerro Gordo opens the way for invasion of Mexico.
17 April 1349
The rule of the Bavand dynasty in Mazandaran is brought to an end by the murder of Hasan II.
16 April 1943
Albert Hofmann accidentally discovers the hallucinogenic effects of the research drug LSD.
15 April 1955
McDonald’s restaurant dates its founding to the opening of a franchised restaurant by Ray Kroc, in Des Plaines, Illinois.
14 April 1909
A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
10 April 1925
The Great Gatsby by F. Scott Fitzgerald is first published in New York City, by Charles Scribner’s Sons.