The U.S. Constitution regulates the division of labor between judge and jury. The Sixth Amendment guarantees [i]n all criminal prosecutions, the accused shall enjoy the right to a speedy and public trial, by an impartial jury. . . ..
The St. Patrick's Day Parade is America's oldest parade. It started in Boston in 1737.
Mardi Gras in Mobile is the annual Carnival celebration in Mobile, Alabama. It is the oldest annual Carnival celebration in the United States, started by Frenchman Nicholas Langlois in 1703. This was fifteen years before New Orleans was founded, although today their celebrations are much more widely known.