15 Facts You Didn't Know About Buckingham Palace

There are a lot of ways to memorialize a sovereign after they've died, but the way that King Charles I is remembered is a little out there. King Charles I was executed (yikes) at 2 p.m. and therefore the clock face above the entrance to Buckingham Palace and St. James Place (which was the King of England's official residence from 1531 to 1837), which is called The Horse Guards (it's the ceremonial entrance) has a "black blot" covering that hour, the Evening Standard reported last year.