Queen Elizabeth II, the United Kingdom's longest-serving monarch, passed away Thursday at her Scottish estate.
The Union Jack will be lowered across the country as Brits mourn the queen, but that is just one small detail -- what will follow in the coming days is an elaborate protocol that will culminate with a publicly-funded state funeral.
But what changes in the U.K. with the queen's death? And how will her death influence world affairs? Keep reading to find out.