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The day the trial of the Rosenbergs started – level 2
06-03-1951The atomic bomb which the Americans developed helped to end the...
The day the trial of the Rosenbergs started – level 3
06-03-1951The atomic bomb that the Americans developed didn’t only cause an...
The day the world saw the first cloned sheep – level 3
22-02-1997Dolly was a sheep born on July 5, 1996. At first...
The day Steve Jobs presented the first iPhone – level 3
09-01-2007On January 9, 2007, Steve Jobs presented the first iPhone in...
The day bitcoin was created – level 3
03-01-2009Bitcoin is a digital currency. It was created on January 3,...
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....
