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The day the first satellite was launched – level 1

04-10-1957

Sputnik is very famous. It is the first satellite. It starts...



The day the first satellite was launched – level 2

04-10-1957

Sputnik was one of the most famous objects which people made....



The day the first satellite was launched – level 3

04-10-1957

It was one of the most famous objects ever created by...



The day the Roswell UFO incident was published – level 1

08-07-1947

It is morning in July 1947. A farmer is walking on...



The day the Roswell UFO incident was published – level 2

08-07-1947

One morning in July 1947, a farmer who worked on the...



The day the Roswell UFO incident was published – level 3

08-07-1947

One morning in July 1947, William Brazel who worked on the...