Britons joined in silence to honour those who made the ultimate sacrifice at services across the United Kingdom and abroad.
Millions across the UK fell silent in tribute to those lost in war, standing in a moment of quiet contemplation as history was remembered.
The Queen led the nation in observing a two-minute silence to pay tribute to fallen military servicemen and women for Remembrance Sunday.
Thousands of ex-service personnel and civilians have taken part in the march past the Cenotaph war memorial in London to mark Remembrance Sunday.
The Queen has led the tributes to members of the armed forces who have died in major conflicts during a national services of Remembrance at the Cenotaph.
She laid the first wreath before other members of the Royal Family including the Duke of Edinburgh, the Duke of Cambridge and Prince Harry followed suit.
The Duke of Edinburgh, who joined the Royal Navy in 1939, wore the uniform of an Admiral of the Fleet for the ceremony.
Prince Harry, who has undertaken two tours of duty in Afghanistan, wore the uniform of Captain, Household Cavalry with the Army Air Corps beret.
The Duke of Cambridge, who left operational service recently after more than seven years in the forces wore the uniform of Royal Air Force Flight Lieutenant.
The Duchess of Cambridge was also in attendance at the service, watching from a nearby balcony.
The Queen, Duke of Edinburgh, Prince Harry and Prince Williams were among senior Royals who laid wreaths at the Cenotaph in Whitehall to mark Remembrance Sunday.
Prime Minister David Cameron, Deputy Prime Minister Nick Clegg and Labour leader Ed Miliband were also among politicians and dignitaries who laid a wreath to honour British service personnel who have died during conflict.
It followed a two-minute silence that was observed at 11am.
Newcastle City Centre, together with dozens of other North East cities and towns, paused at 11 o clock in honour of those who fell in wars past and present.
Meanwhile in Sunderland, the public was lead by war veterans and serving service people in a moving ceremony.
The Queen has laid a wreath at the foot of the Cenotaph memorial to honour British service personnel who have died during conflict.
A two-minute silence was observed by military veterans, political and religious figures and other royal dignitaries.
A two-minute silence has been held at the Cenotaph in Whitehall in remembrance of the lives lost during conflict.
Troops in Afghanistan have marked Remembrance Sunday with a service attended by Prince Andrew and Defence Secretary Philip Hammond.
The royal said: "This is the last opportunity to mark a Remembrance Sunday in the field like this under the current garrison strength and I think it's important....that we mark not only this by coming here but remembering all those who have lost their lives in this particular campaign.
Crowds have begun to gather around the cenotaph in Whitehall ahead of the annual service to pay tribute to those who have died in major conflicts.
The Queen will lay a wreath in memory of those who lost their lives.
Prime Minister David Cameron and other party leaders will also leave tributes at the memorial.