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The day Deepwater Horizon sank – level 2
22-04-2010Deepwater Horizon was a modern oil rig. It took oil from...
The day the first person went into space – level 1
12-04-1961Yuri Gagarin is 27 years old. He is preparing for his...
The day the first person went into space – level 2
12-04-1961Yuri Gagarin was 27 years old when he was preparing for...
The day the first person went into space – level 3
12-04-1961Yuri Gagarin was 27 years old when he was preparing for...
The day of the Smolensk air disaster – level 1
10-04-2010On April 10, 2010, a Polish plane is flying to Russia....
The day of the Tenerife airport disaster – level 1
27-03-1977It is March 27, 1977. A big plane is on a...
The day the order to kill the Polish elite was signed – level 1
05-03-1940It is September 1, 1939. Germany attacks Poland. Two weeks later,...
The day the order to kill the Polish elite was signed – level 2
05-03-1940In August 1939, the Soviet Union and Germany signed a non-aggression...
The day the order to kill the Polish elite was signed – level 3
05-03-1940In August 1939, the Soviet Union and Germany signed a non-aggression...
The day the first national park was established – level 2
01-03-1872Yellowstone National Park is a beautiful place. In 1805, the first...
