By 1513, Leonardo da Vinci's patron was Giuliano, a member of which powerful Florentine family?

"Bwana", meaning "sir" or "master", comes from which African language? By 1018, Emperor Basil II, the "Bulgar Slayer", had put the Balkan Peninsula under which empire's control? Amman had faded by 1300; which empire resettled it in 1878, after which it grew? By 1300, which order of crusading knights, conquerors of Slavic and Baltic lands, was a leading power in central and ea… By 1519, which ruler governed the Aztec Empire in central and southern Mexico? By 1665, the New Haven Colony had been absorbed by which colony? By 1795, which ruler had united most of his islands and founded a new kingdom? By 1812 there were 11,000 of which Frenchman's looms in use in France alone?