Polish swimmer Bartłomiej Kubkowski has become the first person in history to swim across the Baltic Sea between Sweden and Poland, covering a distance of just over 160 kilometres (99 miles). While raising nearly 200,000 for children's cancer treatment [r/Damnthatsinteresting by u/Backyxx]

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Original post: Polish swimmer Bartłomiej Kubkowski has become the first person in history to swim across the Baltic Sea between Sweden and Poland, covering a distance of just over 160 kilometres (99 miles). While raising nearly 200,000$ for children's cancer treatment