The National Veteran's Day ceremony takes place at Arlington National Cemetery, outside of Washington. DC.
Arlington National Cemetery
The London 2012 Olympic Games Opening Ceremony took place at 9pm GMT on Friday 27 July 2012.
The London 2012 Olympic Games Opening Ceremony took place at 9pm GMT on Friday 27 July 2012.
The Cenotaph in Whitehall is a war memorial in London, UK, dedicated to all British and Commonwealth military personnel who died in the two world wars and subsequent conflicts. It serves as a place of remembrance and commemoration for those who made the ultimate sacrifice in service to their country. The Cenotaph is the focus of national ceremonies and events on occasions like Remembrance Sunday and Armistice Day.
The opening ceremony of the 2011 Cricket World Cup took place in Bangladesh at the Bangabandhu National Stadium in Dhaka on February 17, 2011,
Remembrance day takes place on the 11th December
When Prince Charles married Lady Diana Spencer, the ceremony took place in St Paul's Chapel, in London. When Price Charles married Camilla Parker Bowles, it took place in a civil ceremony at Windsor Gildhall.
Wimbldon
The Ceremony of Keys takes place at the Tower of London, a historic castle located on the north bank of the River Thames in central London. This ancient ceremony, which has been held for centuries, involves the locking of the Tower gates and is a symbolic event that signifies the Tower's security. It is typically performed every evening at 9:53 PM, attended by invited guests and the Yeoman Warders, also known as Beefeaters.
The place where the ceremony is conducted
If you wish to do so and it is not taking place in a Kingdom Hall (official meeting place of Jehovah's Witnesses) then I would think it would be ok.