wikipedia.org

m1eQo TIL that in 1963, Brazilian senator Arnon de Mello tried to kill his political rival and fellow senator Silvestre Péricles, inside the Senate building. He failed, killing instead José Kairala, a substitute Senator that was attending his last Senate session.
J1V4V TIL that monarchs of France hosted ceremonies for nobles and servants to watch them go to sleep (coucher) and waking up (lever). British monarchs and American presidents hosted similar events.
GA604 TIL about the Stambovsky v. Ackley case. The New York Supreme Court ruled that a seller must disclose that a house has a reputation for being haunted because such a reputation may impair the value of the house. The Ackleys claimed to see ghosts of a 1750s couple and a American Revolution lieutenant.