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Avis and Effie Hotchkiss, mother and daughter from Brooklyn, New York, were pioneering motorcyclists. In 1915, they completed a 9,000-mile (14,000 km) round trip ride from New York to San Francisco and back on a Harley-Davidson motorcycle-sidecar combination. In so doing they became the first transcontinental female motorcyclists.
References
Avis and Effie Hotchkiss Wikipedia(Text) CC BY-SA