Search Result For mankind
The day the telephone was patented – level 2
07-03-1876Alexander Graham Bell started his experiments in 1873. He was trying...
The day the telephone was patented – level 3
07-03-1876Since 1873, Alexander Graham Bell was trying to find a way...
The day the trial of the Rosenbergs started – level 3
06-03-1951The atomic bomb that the Americans developed didn’t only cause an...
