PEMBROKE DOCK, WALES - APRIL 29:  Queen Elizabeth II during a visit to the Chapel to view the restoration and meet local people involved with the project at the Royal Dockyard Chapel during an official visit on April 29, 2014 in Pembroke Dock, United Kingdom. This year sees the 200th anniversary of the town of Pembroke Dock. The Royal Dockyard Chapel has undergone a restoration project to become the base for Pembroke Dock's Heritage Centre which celebrates 200 years of a unique naval and military community.  (Photo by Bethany Clarke/Getty Images)
Watch 70 years of Queen Elizabeth II's service in 3 minutes
02:53 - Source: CNN

British royal family line of succession: Who’s who