'''Symphony No. 35''' in B-flat major, Hoboken I/35, was written by Joseph Haydn. The autograph score is "carefully" dated "December 1, 1767."H. C. Robbins Landon, ''The Symphonies of Joseph Haydn''. London: Universal Edition & Rockliff (1955): 278 It has been speculated that this symphony was written to celebrate Prince Esterházy's return from a visit to the Palace of Versailles.