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The day Alan Eustace made a free-fall jump – level 3
24-10-2014On October 24, 2014, Alan Eustace, a former Google executive, made...
The day a private spaceship flew to space – level 3
29-09-2004X Prize was a space competition announced in 1995. It successfully...
The day the Trans-Siberian Railway construction began – level 3
31-05-1891On May 31, 1891, the construction of the Trans-Siberian Railway officially...
The day the longest railway tunnel was opened – level 3
01-06-2001The Gotthard Base Tunnel is in Switzerland and it runs under...
The day the first nonstop flight around the world started – level 3
26-02-1949On February 26, 1949, a special plane with a 14-member crew...
The day the construction of the Three Gorges Dam began – level 3
14-12-1994The Yangtze River in China is the third longest river in...
