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The day of the highest temperature recorded on Earth – level 1
10-07-1913The highest temperature on Earth is 56.7 degrees Celsius. People measure...
The day of the highest temperature recorded on Earth – level 2
10-07-1913The highest temperature ever recorded on Earth was 56.7 degrees Celsius....
The day of the highest temperature recorded on Earth – level 3
10-07-1913The highest temperature ever reliably recorded on Earth was 56.7 degrees...
The day the Roswell UFO incident was published – level 1
08-07-1947It is morning in July 1947. A farmer is walking on...
The day the Roswell UFO incident was published – level 2
08-07-1947One morning in July 1947, a farmer who worked on the...
The day the Roswell UFO incident was published – level 3
08-07-1947One morning in July 1947, William Brazel who worked on the...
The day the construction of Hoover Dam began – level 1
07-07-1930On July 7, 1930, the construction of the Hoover Dam starts....
The day the construction of Hoover Dam began – level 2
07-07-1930On July 7, 1930, the construction of the Hoover Dam began....
The day the construction of Hoover Dam began – level 3
07-07-1930On July 7, 1930, the construction of the Hoover Dam began....
