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The day the first man climbed all mountains over 8000 meters – level 3
16-10-1986Some sports performances go far beyond the boundaries of sport and...
The day the first satellite was launched – level 1
04-10-1957Sputnik is very famous. It is the first satellite. It starts...
The day the first satellite was launched – level 2
04-10-1957Sputnik was one of the most famous objects which people made....
The day an atomic bomb was dropped on Hiroshima – level 2
06-08-1945In May 1945, the war in Europe was over. However, in...
The day an atomic bomb was dropped on Hiroshima – level 3
06-08-1945By the summer of 1945, the war in Europe was over....
The day of the Concorde crash – level 3
25-07-2000The development of the supersonic plane Concorde took seven years. The...
The day GPS was fully operational – level 3
17-07-1995The Global Positioning System (GPS) is a satellite system that provides...
The day the Trans-Siberian Railway construction began – level 1
31-05-1891On May 31, 1891, the construction of the Trans-Siberian Railway starts....
The day the Trans-Siberian Railway construction began – level 2
31-05-1891On May 31, 1891, the construction of the Trans-Siberian Railway officially...
The day the Trans-Siberian Railway construction began – level 3
31-05-1891On May 31, 1891, the construction of the Trans-Siberian Railway officially...
