Augustus was his grandnephew, 6 letters
Groucho's given name, 6 letters
Groucho's real name, 6 letters
Bob Dylan song about the Rosenbergs, 14 letters
'... and, of course, ___, without whose salad this town couldn't exist...', 12 letters
Author of 'The Conquest of Gaul', 12 letters
Play whence the phrase the most unkindest cut of all, 12 letters
An MVP in the NBA and ABA, 12 letters
Papal patron of Michelangelo and Raphael, 8 letters
Originator of the occasion celebrated on this date, 12 letters