Which show tune, sung by Louis Armstrong, ended the Beatles' 14-week run at No. 1 in 1964?

What is the French word for the number 14? Which U.S. observance falls on June 14? Which 14-line poem may be Petrarchan or Shakespearean? Jeffrey Immelt was CEO of which company from 2001 to 2017, succeeding Jack Welch? At the 1997 U.S. Figure Skating Championships, 14-year-old Tara Lipinski upset which reigning world champion? The 1415 Battle of Agincourt was part of which war? In 1453, Mehmed II began his siege of which city, which fell about eight weeks later? Which 1455–1485 conflict was fought between two rival branches of England's royal family?