n 1917, a chimpanzee escaped from a nearby ménagerie, entered the palace and was said to have tried to haul the wife of President Raymond Poincaré into a tree only to be foiled by Élysée guards.[9] President Paul Deschanel, who resigned in 1920 because of mental illness, was said to have been so impressed by the chimpanzee's feat that, to the alarm of his guests, he took to jumping into trees during state receptions.