Around this moment

• Roman Empire
• Royalty
• Traditional martyrdom and death in AlexandriaCatherine of Alexandria16 years apart
• Reported attendance at the First Council of NicaeaSaint Nicholas3 years apart
• Residence at the Palatium SessorianumHelena, mother of Constantine I4 years apart
• Birth at HatsekatsMesrop Mashtots39 years apart
• Birth at ThagasteAugustine of Hippo33 years apart
• Birth in KuchaKumārajīva22 years apart
• Birth at AntiochJohn Chrysostom25 years apart
• Siege and assassinationGallienus52 years apart
• Final retirement and death at Zethos's estatePlotinus51 years apart
• Born in AlexandriaHypatia48 years apart