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The day GPS was fully operational – level 1

17-07-1995

GPS is a system which gives information about your location on...



The day the last emperor of Russia died – level 2

17-07-1918

Nicholas II was a Russian tsar. He came to power in...



The day the last emperor of Russia died – level 1

17-07-1918

Nicholas II is a tsar in Russia. He starts in 1894....



The day when the chess Match of the Century began – level 1

11-07-1972

Bobby Fischer is a very good chess player. He comes from...



The day when the chess Match of the Century began – level 2

11-07-1972

Bobby Fischer was an American chess player who won the world...



The day when the chess Match of the Century began – level 3

11-07-1972

The 1972 World Chess Championship was a match between challenger Bobby...



The day of the highest temperature recorded on Earth – level 2

10-07-1913

The highest temperature ever recorded on Earth was 56.7 degrees Celsius....



The day of the highest temperature recorded on Earth – level 3

10-07-1913

The highest temperature ever reliably recorded on Earth was 56.7 degrees...



The day the Roswell UFO incident was published – level 2

08-07-1947

One morning in July 1947, a farmer who worked on the...



The day the Roswell UFO incident was published – level 3

08-07-1947

One morning in July 1947, William Brazel who worked on the...