The 1815 eruption of Mount Tambora affected the weather worldwide. The year 1816 was called "the year without a summer." There were widespread crop failures. Many horses starved and died. So in 1817, German Baron Karl von Drais invented the first bicycle, which was called a "hobby horse" or a "dandy horse." The first bicycle did not have pedals, so people had to use their legs to push the bicycle. Pedals would be invented in 1863.
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