The centenary of the resilient radio medium is being marked this week by @canadapostcorp with some cool new stamps. Canadian radio station XWA (later CFCF) in Montreal went on the air in 1920, same year as America’s pioneering @KDKARadio in Pittsburgh. https://www.canadapost.ca/blogs/personal/perspectives/stamps-celebrate-100-years-of-radio-in-canada/ …pic.twitter.com/7pOdQZyCPU