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The day World War II began – level 2
01-09-1939Since 1936, Adolf Hitler, the leader of the Nazis in Germany,...
The day World War II began – level 3
01-09-1939In the 1930s, the Nazi regime wanted to create the Greater...
The day a signal came from space – level 2
15-08-1977On August 15, 1977, American astronomer Jerry Ehman looked at the...
The day a signal came from space – level 3
15-08-1977On August 15, 1977, American astronomer Jerry Ehman carried out an...
The day an atomic bomb was dropped on Hiroshima – level 3
06-08-1945By the summer of 1945, the war in Europe was over....
The day Nautilus traveled under the North Pole – level 2
03-08-1958Nautilus was the world’s first nuclear-powered submarine. On August 3, 1958,...
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 World War I started – level 2
28-07-1914In 1914, countries in Europe were in two groups. Germany, Austria-Hungary,...
The day World War I started – level 3
28-07-1914In 1914, countries in Europe were divided into two coalitions. On...
The day the last emperor of Russia died – level 2
17-07-1918Nicholas II was a Russian tsar. He came to power in...
