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The day the order to kill the Polish elite was signed – level 1
05-03-1940It is September 1, 1939. Germany attacks Poland. Two weeks later,...
The day the order to kill the Polish elite was signed – level 2
05-03-1940In August 1939, the Soviet Union and Germany signed a non-aggression...
The day the order to kill the Polish elite was signed – level 3
05-03-1940In August 1939, the Soviet Union and Germany signed a non-aggression...
The day a signal came from space – level 1
15-08-1977It is August 15, 1977. An American astronomer looks at the...
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 the Cultural Revolution started – level 3
18-05-1980Mao Zedong was the chairman of the Communist Party of China...
The day World War II ended in Europe – level 2
08-05-1945Before his death, Hitler wrote his last will. He wanted Karl...
The day World War II ended in Europe – level 3
08-05-1945Before his death, Hitler wrote his last will. He decided that...
The day the Eiffel Tower opened – level 1
06-05-1889It is 1886. Paris needs a new big structure. People prepare...
