Search Result For state
The day Nautilus traveled under the North Pole – level 3
03-08-1958On August 3, 1958, the United States Navy submarine Nautilus became...
The day World War I started – level 1
28-07-1914In 1914, countries in Europe are in two groups. Germany, Austria-Hungary,...
The day World War I started – level 2
28-07-1914In 1914, countries in Europe were in two groups. Germany, Austria-Hungary,...
The day World War I started – level 3
28-07-1914In 1914, countries in Europe were divided into two coalitions. On...
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...
The day of the first atomic bomb explosion – level 1
16-07-1945On July 16, 1945, the United States does the first successful...
The day of the first atomic bomb explosion – level 2
16-07-1945On July 16, 1945, the United States did the first successful...
The day of the first atomic bomb explosion – level 3
16-07-1945On July 16, 1945, the United States successfully conducted the first...
