When was English football manager, who managed West Ham United from May 2011 to May 2015, known as "Big Sam" born?
West Ham United F.C. managers: London football team, West Ham United have had only fifteen permanent managers in their history and an additional three caretaker managers. West Ham United F.C. managers:  The most recent manager before that was Sam Allardyce who was appointed in May 2011 and left the club in May 2015. Sam Allardyce: Samuel Allardyce ( ; born 19 October 1954), known as "Big Sam", is an English football manager and former professional player, who most recently managed Crystal Palace from December 2016 to May 2017.
born 19 October 1954