The marches, commonly referred to as the Orange Walk, are celebrations which mark Prince William of Orange's victory over King James at the Battle of the Boyne in 1690.
Mr. Cuomo and women's-rights groups have begun a pressure campaign against a group of Republican senators to extract their support, including Phil Boyle of Long Island, Joseph Robach of the Rochester area, John Bonacic of Orange County and Mark Grisanti of the Buffalo area.