Search Result For decade
The day Russia sold Alaska to the United States – level 3
30-03-1867Russians arrived in Alaska in 1741. They established the first permanent...
The day the car was faster than the speed of sound – level 3
15-10-1997People have always been fascinated by speed. Technological progress at the...
The day the bicycle was invented – level 2
12-06-1817The invention of the bicycle was a long process. It was...
The day the bicycle was invented – level 3
12-06-1817The invention of the bicycle was a gradual process that took...
