BRITAIN-HISTORY-MILITARY-ROYALS

Britain's Catherine, Duchess of Cambridge (L) and Britain's Prince William, Duke of Cambridge (R) arrive at the Royal Albert Hall for the annual Royal Festival of Remembrance in central London on November 12, 2016. This year's Festival will mark the following anniversaries: the centenaries of the Battle of the Somme and the Battle of Jutland, the 25th anniversary of the Gulf War and the and the 80th anniversary of the first flight of the Supermarine Spitfire. / AFP / POOL / Victoria Jones (Photo credit should read VICTORIA JONES/AFP via Getty Images)