I'm going to try to bring a bit more life to here, and because I don't think this thread would work too well on the main board, I'll put it on /sp/!
>rules
post something that you learned that you think others might be interested in or that you think is worth sharing, preferably with some source to back it up.
>Today I Learned
There's both a mayor of London and a Right Honorable Lord Mayor of the city of London Corporation.
http://archive.is/R6vN9