What catholic bishop was killed in rome on february 14 in 270 ad?

The Catholic bishop killed in Rome on February 14, 270 AD, was Saint Valentine. He is remembered for his acts of compassion and defiance against Roman law, particularly for marrying couples in secret during a time when Emperor Claudius II had banned marriages for young men. Saint Valentine was later martyred for his actions, and he is now commemorated as the patron saint of lovers, beekeepers, and epileptics. His feast day is celebrated on February 14, which has become synonymous with romantic love.