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Several European armies fielded bicycle-mounted units during World War I. These Pickelhaube wearing troops are members of the German army bicycle corps. (Topical Press Agency/Getty Images)
Topical Press Agency/Getty Images
Several European armies fielded bicycle-mounted units during World War I. These Pickelhaube wearing troops are members of the German army bicycle corps. (Topical Press Agency/Getty Images)
Topical Press Agency/Getty Images