Windsor Castle

Since March 2020, Queen Elizabeth and her husband, Prince Philip, have been sheltering in place at Windsor Castle during the COVID-19 pandemic.

An excerpt from the article 36 facts about Windsor Castle

They were accompanied only by a small staff. During the pandemic, Christmas was celebrated at Windsor Castle rather than at Sandringham House for the first time since 1987. While the Queen was in Windsor on Christmas Day 2021, an intruder armed with a crossbow entered the royal gardens. He couldn't get into any buildings because he was arrested.

On April 9, 2021, Prince Philip died at Windsor Castle.