Sveriges Radio's Sommar begins
Sveriges Radio's own radio-history timeline says Sommar started in 1959 and was still broadcast every summer in the 2009 timeline. The launch gives 1959 a public-service culture anchor.
Sveriges Radio’s institutional radio-history timeline says Sommar started in 1959 and was still broadcast every summer in the 2009 timeline.
The basic launch fact is strong enough for a culture anchor. First episode details, host lists, and broader claims about national tradition still need a programme-archive and media-history pass.