Services and events have been held across the region as we remember the day that changed the course of history.
A memorial stone is unveiled in Woolley which is one of 3 Doubly Thankful Villages in the west country.
Many soldiers and the King of England visited the Roman Baths in Bath for it's healing properties of the water.
A huge security operation is underway in the region in preparation for the arrival of the US president in Gloucestershire. Two thousand police officers from around the country are on standby in Thornbury. Barack Obama is expected to fly in to RAF Fairford tonight ahead of the NATO summit in Newport tomorrow.
Robert Murphy reports on the security operation ahead of Barack Obama's arrival for the Nato Summit
A massive security operation is underway this evening at RAF Fairford in Gloucestershire ahead of the arrival of the President of the United States Barrack Obama.
We can confirm that Air Force One will land tomorrow evening ahead of the NATO summit in Newport which starts on Thursday. Security has also been stepped up on the West's motorways and police officers from around the country have been drafted in, and are staying at a temporary base in Thornbury.
Thousands of police officers from across the country are gathering in Thornbury in South Gloucestershire ahead of the Nato Summit which begins on Thursday.
Former council buildings are being used as police headquarters during the international security meetings. Officers will be keeping watch over roads and bridges along the M4 leading to the outskirts of Cardiff, where the Summit takes place.
The mayor of Cheltenham has hit out at the cost of policing a demonstration outside GCHQ - saying that with hindsight it was overkill. Up to six police forces were involved, after the movement known as Anonymous claimed thousands of people could turn up. In the end there about 20. Gloucestershire police say that the extra officers were utilised elsewhere in the county, and won't cost the force more money.
Police officers representing several forces from around the country will be on the streets of Bristol and Bath over the next week, ahead of the NATO summit taking place in South Wales.
A number of delegates are staying at hotels in our region, as world leaders gather at the Celtic Manor Resort on Thursday and Friday. The increased security comes as the Home Secretary raised the terror alert to severe.
A four day protest has begun outside GCHQ in Cheltenham.
The action is taking place against surveillance of the public by UK and foreign Governments by the campaign group Anonymous. Police are asking any residents with access problems to contact them.
A four day protest is expected to begin this morning outside the Government's monitoring centre, GCHQ in Cheltenham.
Police say they may close Hubble Road around the site to deal with the planned protest by the UK Anonymous group. The action is taking place against surveillance of the public by UK and foreign Governments.
Cheltenham Police are asking any residents with access problems to contact them on the day.