With Queen Elizabeth II's death, what changes in the UK? The national anthem, money and more

Not only will there be a new royal leader of the United Kingdom after the death of Queen Elizabeth II, but things around the country – from the national anthem to money – will change as well.
After the announcement of the monarch's death Thursday, her eldest son and heir, Prince Charles, 73, became King Charles III.
Plans had been in motion for the queen's death for years, known as Operation London Bridge, as well as plans to begin the king's reign, known as Operation Spring Tide. But there are still things that will change in...