History 7 By Samuel.Gibbs 1547 BCE Juan Ginés de Sepulveda Belittles the Indians 1200 Pope Urban || calls for the Crusades 1200 Commercial Revolution 1254 Marco Polo Birthday 1293 Polos traveled by ship 1298 Marco polo captained a ship 1300 Renaissance 1440 Printing Press invention 1511 Antonio Montesinos, denounced the mistreatment 1542 De las casas criticized 1600 scientific revolution