A worker in the assembly plant of car maker Iran National, Tehran, 1977 @facethenation

Elvis Presley waits for his breakfast while a lady, who can't sit at a segregated lunch counter, waits for hers, 1956 @facethenation

On April 25, 1945, American and Soviet troops met at the River Elbe, marking an important step toward the end of World War II in Europe @facethenation

Last Mughal Emperor Bahadur Shah II, just after his trial in Delhi and before his departure for exile in Rangoon, 1858. He is the only Mughal emperor to be photographed @facethenation

Confetti pours from skyscrapers in Chicago's financial district on May 1, 1970, as Apollo 13 astronauts ride in a motorcade during a parade in their honor @facethenation

Soviet girl Maria Shalneva, corporal of the 87th separate Road Maintenance Battalion, regulates the movement of military equipment near the Reichstag in Berlin, May 2, 1945 @facethenation

U.S. combat soldiers reading newspapers with 'Hitler Dead' headline on May 2, 1945 @facethenation

German stormtroops training in a dummy trench system near Sedan, France, May 1917 @facethenation

In 1922 Iranian government purchased its first aircraft from Germany. Junkers over Tehran, 1925 @facethenation

In 1963 Birmingham, Alabama, was known as one of the most racist cities in America. The Atlantic Firefighters turn their hoses full force on civil rights demonstrators on May, 1963 @facethenation

Mushroom cloud produced by the detonation of "George", a 225-kiloton nuclear bomb, on 8 May 1951, at Enewetak Atoll in the Pacific Ocean @facethenation

Trains meeting at Promontory Summit, Utah, May 10, 1869, on the completion of the first transcontinental railroad @facethenation