In 1779, which college became the first in the U.S. to offer professional training in law?

In 1719, which small principality was formed by uniting the counties of Vaduz and Schellenberg? In 1725, Peter the Great commissioned which Danish navigator to explore the Pacific coast of Siberia? In 1748, Lord Fairfax hired which 16-year-old to help survey his lands in the Shenandoah Valley? In 1773, which ex-printer and inventor published "Rules by Which a Great Empire May Be Reduced to a Small One"? In 1789, which became the first U.S. holiday designated by presidential proclamation? In 1793, which Irish university college allowed Catholics to take degrees for the first time? In 1804, Justice Samuel Chase was impeached for comments critical of which president's administration? In 1805, U.S. Marines stormed the Barbary state of which city at Derna, helping end attacks on American ships?