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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 the inventor of Morse Code was born – level 1
27-04-1791Samuel Morse is born on April 27, 1791, in Massachusetts. He...
The day the inventor of Morse Code was born – level 2
27-04-1791Samuel Morse was born on April 27, 1791, in Massachusetts, which...
The day the inventor of Morse Code was born – level 3
27-04-1791Samuel Morse was born on April 27, 1791, in Massachusetts, which...
