St Anterus was the 19th Pope from 235 to 236. He was the fourth of four Popes who were opposed by Hippolytus as the anti Pope in a schism of the church. His reign was only 40 days. His main accomplishment in that time was appointing a bishop for the city of Fondi, Italy. He died on January 3, 236 and January 3rd is his Feast day.