In fact, Ronald Reagan was the first U.S. president to stay overnight at Windsor Castle, on the invitation of Queen Elizabeth II in 1982, according to the biography The Queen, by Ben Pimlott.

President Donald Trump relished the glow of a British royal spectacle Wednesday, greeted at Windsor Castle on his state visit by King Charles III, military honor guards and mounted troops before payi...

A collection of photos, animations and newspaper extracts deployed on a tower of the building in front of police officers and stunned onlookers.