<<Up Contents
Centuries: 3rd century - 4th century - 5th century Decades: 270s 280s 290s 300s 310s - 320s - 330s 340s 350s 360s 370s Years: 321 322 323 324 325 - 326 - 327 328 329 330 331 Events September 14 - Discovery of the (alleged) Christian cross by Helena, mother of Constantine the Great. (traditional date) First church built on the site of Vatican City, where St. Peter's tomb was supposed to be. Births Deaths Crispus, son of Constantine the Great (executed) Fausta[?], second wife of Constantine the Great (executed)
Centuries: 3rd century - 4th century - 5th century
Decades: 270s 280s 290s 300s 310s - 320s - 330s 340s 350s 360s 370s
Years: 321 322 323 324 325 - 326 - 327 328 329 330 331
Births
Deaths