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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 of the Tunguska Event – level 1
30-06-1908It is June 30, 1908. A big explosion happens in Siberia....
The day of the Tunguska Event – level 2
30-06-1908On June 30, 1908, one of the biggest and most mysterious...
The day of the Tunguska Event – level 3
30-06-1908On June 30, 1908, one of the largest and most mysterious...
The day the longest bridge was opened – level 2
30-06-2011The Danyang-Kunshan Grand Bridge is in China. The bridge was officially...
The day Hitler attacked the Soviet Union – level 1
22-06-1941It is June 22, 1941. German planes fly to Russia. The...
The day of the first woman in space – level 3
16-06-1963In 1963, the Soviets decided to show the world once again...
The day the bicycle was invented – level 1
12-06-1817The first bicycle is made in Germany on June 12, 1817....
