Queen Elizabeth and Princess Anne attended a service of Thanksgiving at Westminster Abbey

The Queen wore a navy blue coat, with a patterned dress. Queen Mary's Russian sapphire and diamond brooch

On October 12, 2021, Queen Elizabeth II and Princess Anne attended a Service of Thanksgiving to mark the Centenary of the Royal British Legion (RBL) at Westminster Abbey in London. RBL has been celebrating its 100th Anniversary with a special programme of activity. RBL is a British charity providing financial, social and emotional support to members and veterans of the British Armed Forces, their families and dependants.