Catherine of Alexandria died.
Catherine of Alexandria . She was martyred around the age of 18 . A martyr ( Greek : μάρτυς , mártys , `` witness '' ; stem μάρτυρ - , mártyr - ) is someone who suffers persecution and death for advocating , renouncing , refusing to renounce , or refusing to advocate a belief or cause as demanded by an external party . This refusal to comply with the presented demands results in the punishment or execution of the martyr by the oppressor .