Rossini's 1829 opera, famous for its galloping overture, is named for which legendary 14th-century Swiss hero?

Which Leonardo da Vinci drawing shows a nude man with outstretched limbs inside both a circle and a square? The 1494 Treaty of Tordesillas settled a dispute over new lands between Portugal and which nation? The 1494 Treaty of Tordesillas drew a line of demarcation between which two countries' overseas empires? The 1499 Peace of Basel helped lead to the independence of cantons that became which modern nation? Which NFL team retired No. 15 for Bart Starr and No. 92 for Reggie White? In December 1979, Congress approved $1.5 billion in federal loan guarantees to rescue which automaker? Fifteen days after the Treaty of Ghent was signed ending the War of 1812, Andrew Jackson defeated the British at which… Fifteen indentured servants were aboard which ship when it sailed for the New World on September 16, 1620?