Whether you call it Columbus Day or Indigenous Peoples’ Day, one thing is for sure—the holiday, held this year on October 13, churns up a sea of debate that could capsize even the Santa Maria. While ...

Timeline of world civilizations -- Across oceans before Columbus. Prologue: Life at sea ; A land bridge too far ; Along the Silk Road ; Plants between continents ; European seafaring, 100,000 B.C. ; ...