Events across the UK and Belgium are taking place tomorrow to commemorate the centenary of the First World War.
Here is a list of the major events taking place - all times are British Summer Time.
10am National service of commemoration at Glasgow Cathedral
The first of the national events taking place today will be a Commonwealth Service and wreath laying with a march past in Glasgow, reflecting in particular the contribution of the Commonwealth nations.
Prince Charles, or the Duke of Rothesay as he is known in Scotland, will attend alongside 1,400 invited guests.
10.45am Step Short parade, Folkestone in Kent
The parade along The Leas in Folkestone marks the route millions of soldiers took as they marched to Folkestone Harbour to embark on their journey to France.
10pm Candlelit vigil service at Westminster Abbey
This will close the day's memorial events, marking the exact time that the Declaration of War was signed by the then-Foreign Secretary Sir Edward Grey.
Sir Edward famously remarked, “The lamps are going out all over Europe; we shall not see them lit again in our lifetime.”
9am Ceremony at Liege Cointe WW1 memorial monument
Includes speeches by the King of Belgium and French President Francois Hollande, before a minute's silence is held and 7,000 balloons are released.
12pm Liege Town Hall
The Belgian royal couple, Hollande and German Chancellor Angela Merkell will watch as French and Belgian aircraft fly past.
3.30pm Reception at Mons Town Hall
The Duke and Duchess of Cambridge and Prince Harry are expected to attend the special reception.
6.30pm Commemoration at St Symphorien Military Cemetery in Mons
William, Kate and Harry will attend a special ceremony to mark 100 years since Britain declared war on Germany and entered the First World War.
The first British soldier killed on the Western Front and the first recipient of the Victoria Cross in the First World War are buried at the cemetery.