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1541
Francisco Vásquez de Coronado explores Kansas
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1542
Cabrillo explores and discovers the Californian coast Juan Rodriguez Cabrillo discovers San Diego Bay, California
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1559
Tristan de Luna explores North America
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1563
Francisco de Ibarra explores New Mexico
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1576
Sir Martin Frobisher explores Baffin Bay and the Hudson Strait
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1577
Sir Francis Drake circumnavigates the world - December 13 1577 to September 26 1580