TIL that in 1896, a Swedish explorer named Salomon August Andrée attempted to reach the North Pole by hydrogen balloon. The expedition disappeared into the Arctic and was only discovered 33 years later.
#8 現在の順位Reddit・todayilearned 9月9日 12:00 UTC
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Swedish balloon expedition to North Pole vanished in 1896, found 33 years later.
TIL that in 1896, a Swedish explorer named Salomon August Andrée attempted to reach the North Pole by hydrogen balloon. The expedition disappeared into the Arctic and was only discovered 33 years later. | BuzzSumo