The Grosvenor House Art & Antiques Fair was founded in 1934, soon becoming a highlight of the London art world, and renowned for the exceptional works of art and furniture offered there by venerable London and international dealers. It was held every June on the site of the former London residence of the Earls of Grosvenor, holders of one of the finest private art collections in England.  The fair held royal patronage from 1937 until it closed in 2009..