A chronology of developments of wireless communication and electronics from 1831-1920

The presents a chronology of the developments of wireless communication and supporting electronics. Often, the invention of radio is delegated to one or two persons, the names of whom vary from country to country, depending on the country of origin of the authors. The aim of this paper is to illustrate that simultaneous development was going on all over the world and that each invention provided a solution to the portion of the puzzle. We only highlight some of the crucial events from 1831 up to 1920 without further details.