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Christopher Columbus - Wikipedia
Columbus, Ohio - Wikipedia
Christopher Columbus | Biography, Nationality, Voyages, Ships, …
Christopher Columbus - Facts, Voyage & Discovery | HISTORY
Home - City of Columbus, Ohio
Christopher Columbus: Biography, Explorer and Navigator, Holiday
Christopher Columbus - World History Encyclopedia
Columbus | History, Population, Map, & Facts | Britannica
Christopher Columbus - Explorer, Voyages, New World | Britannica
BBC - History - Christopher Columbus