Search Result For inventor

The day Leonardo Da Vinci was born – level 3

15-04-1452

Leonardo da Vinci was born on April 15, 1452, into a...



The day the telephone was patented – level 2

07-03-1876

Alexander Graham Bell started his experiments in 1873. He was trying...



The day the telephone was patented – level 3

07-03-1876

Since 1873, Alexander Graham Bell was trying to find a way...