In Goidelic mythology, Fergus mac Roich (Fergus means "virility") was a courtesan in the court of King Conchobar. After Conchobar killed his nephews, Fergus left the court in protest of his treachery.
... 20 - Dmitri Ivanovich Mendeleev, Russian chemist and inventor of the Periodic table
May 19 - Auguste Molinier, French historian
July 14 - Anton Chekhov, Russian ...