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Valentine’s Day – level 3
14-02-270Valentine’s Day is celebrated annually on February 14. It is a...
The day the biggest diamond was found – level 1
25-01-1905Africa is a place where people can find big diamonds. Something...
The day the Golden Gate Bridge construction started – level 3
05-01-1933The Golden Gate Bridge is one of the most internationally recognized...
The day the Golden Gate Bridge construction started – level 2
05-01-1933The Golden Gate Bridge is one of the biggest symbols of...
The day John Adams moved into White House – level 3
01-11-1800On November 1, 1800, President John Adams, in the last year...
The day Hitler survived an assassination attempt – level 2
20-07-1944In the summer of 1944, Hitler was at war with most...
The day Hitler survived an assassination attempt – level 3
20-07-1944In the summer of 1944, Hitler was at war with most...
The day GPS was fully operational – level 1
17-07-1995GPS is a system which gives information about your location on...
The day GPS was fully operational – level 2
17-07-1995The Global Positioning System (GPS) is a satellite system which gives...
The day GPS was fully operational – level 3
17-07-1995The Global Positioning System (GPS) is a satellite system that provides...