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The day of the biggest protest against the Vietnam War – level 3
15-11-19691969 wasn’t a good year for the USA. Coffins with soldiers’...
The day Stanislav Petrov saved the world from the apocalypse – level 3
26-09-1983Stanislav Petrov saved the world in 1983. On September 26, 1983,...
The day the construction of Hoover Dam began – level 3
07-07-1930On July 7, 1930, the construction of the Hoover Dam began....
The day the longest bridge was opened – level 3
30-06-2011The Danyang-Kunshan Grand Bridge, located in China, was officially opened to...
The day young football players became trapped in a cave – level 3
23-06-2018On June 23, 2018, 12 young football players and their coach...
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 human DNA was mapped – level 2
14-04-2003In 1990, scientists began a project with the goal of mapping...
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...
