Canada Post is celebrating the 100th anniversary of the very first radio broadcast in Canada, May 20, 1920, by unveiling two stamps. https://www.facebook.com/Mix941Variety/photos/a.180700030939/10156963344680940/?type=3&av=10388345939&eav=AfbAKzj9PR1SiZ8RsEaHPvSXTKTg20BCrDlAzeL7Hq6CQIOdV4bl03RpdJLs2jNDwdw&theater … #MyRadioStory @canadapostcorppic.twitter.com/XqB4aUtC2N