Around this moment

• Roman Empire
• Royalty
• Traditional martyrdom and death in AlexandriaCatherine of Alexandria14 years apart
• Residence at the Palatium SessorianumHelena, mother of Constantine I2 years apart
• Reported attendance at the First Council of NicaeaSaint Nicholas5 years apart
• Birth at ThagasteAugustine of Hippo35 years apart
• Birth in KuchaKumārajīva24 years apart
• Birth at AntiochJohn Chrysostom27 years apart
• Final retirement and death at Zethos's estatePlotinus49 years apart
• Born in AlexandriaHypatia50 years apart
• Siege and assassinationGallienus50 years apart
• Birth at HatsekatsMesrop Mashtots41 years apart