births
Martin Cooper, American engineer, invented the mobile phone
Related Wikipedia articles
Martin Cooper (inventor)
American engineer (born 1928)
Martin Cooper is an American engineer. He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field.Source: Wikipedia (CC BY-SA)
Mobile phone
Portable device to make telephone calls using a radio link
A mobile phone or cell phone is a portable telephone that allows users to make and receive calls over a radio frequency link while moving within a designated telephone service area, unlike fixed-location phones. This radio frequency link connects to the switching systems of a…Source: Wikipedia (CC BY-SA)
December 26
Day of the year
December 26 is the 360th day of the year in the Gregorian calendar; five days remain until the end of the year.Source: Wikipedia (CC BY-SA)