The 1499 Peace of Basel helped lead to the independence of cantons that became which modern nation?

Which Florentine artist painted "The Birth of Venus" in the mid-1480s? 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? Rossini's 1829 opera, famous for its galloping overture, is named for which legendary 14th-century Swiss hero? 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…