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The day of the Tunguska Event – level 3
30-06-1908On June 30, 1908, one of the largest and most mysterious...
The day the Watergate scandal started – level 1
17-06-1972It is Saturday, June 17, 1972. We are in Washington. We...
The day the Watergate scandal started – level 2
17-06-1972It is Saturday, June 17, 1972. Sometime after midnight, the security...
The day the Watergate scandal started – level 3
17-06-1972Sometime after midnight on Saturday, June 17, 1972, the security guard...
The day the longest railway tunnel was opened – level 1
01-06-2001The longest railway tunnel in the world is in Switzerland. The...
The day the longest railway tunnel was opened – level 2
01-06-2001The longest railway tunnel in the world is in Switzerland. Its...
The day the longest railway tunnel was opened – level 3
01-06-2001The Gotthard Base Tunnel is in Switzerland and it runs under...
