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The day Nautilus traveled under the North Pole – level 3
03-08-1958On August 3, 1958, the United States Navy submarine Nautilus became...
The day of the first atomic bomb explosion – level 3
16-07-1945On July 16, 1945, the United States successfully conducted the first...
The day when the chess Match of the Century began – level 2
11-07-1972Bobby Fischer was an American chess player who won the world...
The day of the Tunguska Event – level 2
30-06-1908On June 30, 1908, one of the biggest and most mysterious...
The day the Watergate scandal started – level 2
17-06-1972It is Saturday, June 17, 1972. Sometime after midnight, the security...
The day the Watergate scandal started – level 3
17-06-1972Sometime after midnight on Saturday, June 17, 1972, the security guard...
The day of the first woman in space – level 2
16-06-1963In 1963, the Soviets wanted to show the world who was...
The day of the first woman in space – level 3
16-06-1963In 1963, the Soviets decided to show the world once again...
The day Mathias Rust landed in Moscow – level 1
28-05-1987It is 1987. Mathias Rust lives in West Germany. He is...
The day of a successful vaccination – level 3
14-05-1796Smallpox was a deadly and highly infectious disease that had killed...