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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 Panama Canal opened – level 2
15-08-1914The first idea of building a canal between the Atlantic and...
The day the Panama Canal opened – level 3
15-08-1914The first idea to dig a canal between the Atlantic and...
The day of the Kursk submarine disaster – level 2
12-08-2000On August 12, 2000, the Russian submarine Kursk was in the...
The day of the Kursk submarine disaster – level 3
12-08-2000On August 12, 2000, the Russian submarine Kursk was in the...
The day the construction of the Tower of Pisa started – level 2
09-08-1173The construction of the Tower of Pisa began on August 9,...
The day the construction of the Tower of Pisa started – level 3
09-08-1173The construction of the Tower of Pisa began on August 9,...
