Don’t want to belittle the achievement but they launched it as in „had it launched by the commercial launch provider SpaceX“, not on a self-developed rocket as it sounds like on the first read.
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Edit (rather than reply and make the comment chain long): It's fine that you read it that way. I figure that if the article were about a launch vehicle then it would have been the rocket's name in the title, and if the article were about the satellite then it would have the satellite's name (BOTSAT-1). If Botswana had developed both an orbital launch vehicle and their first satellite then I'd bet the headline would have been sensational.
The notability is that they have a satellite up for their purposes; they're not trying to claim that they did the launch themselves.
If this were some random corporation, none of you wouldn't have blinked an eyelid at a title like "Megacorp successfully launches first satellite" when all but 3-4 companies in the world rely on someone else to do the launch.
There's more hair-splitting going on here than in a hair salon.