28 janv. 1973 - cell phone invented
Description:
The world's first mobile phone call was made on April 3, 1973, when Martin Cooper, a senior engineer at Motorola, called a rival telecommunications company and informed them he was speaking via a mobile phone.Ajouté au bande de temps:
Date:
28 janv. 1973
Maintenaint
~ Il y a 51 ans
