3 moments
Birth near Naissus
· Bederiana near Naissus, Eastern Roman Empire (near modern Niš, Serbia)

Wikimedia Commons · Creative Commons Attribution-Share Alike 2.0 Generic · file Justin was born c. 450 at Bederiana, a hamlet in Dardania described as near Naissus. The birthplace's precise archaeological location remains uncertain. The birth year is approximate (c. 450). Bederiana has not been securely identified; coordinates are a representative point for nearby Naissus/Niš.
Proclaimed emperor at the Hippodrome
· Hippodrome of Constantinople, Constantinople, Eastern Roman Empire (modern Istanbul, Türkiye)

Wikimedia Commons · Creative Commons Attribution-Share Alike 3.0 Unported · file Following the death of Anastasius I, Justin was elected by the council and proclaimed emperor before the populace at Constantinople's Hippodrome. The article records 9 July 518 as the reign's usual start date, while noting that one source gives 10 July for the accession.
Death at Constantinople
· Constantinople, Eastern Roman Empire (modern Istanbul, Türkiye)

Wikimedia Commons · Creative Commons Attribution-Share Alike 2.5 Generic · file Justin died at Constantinople after formally naming his nephew Justinian as co-emperor and successor earlier that year. Coordinates are a representative point for historic Constantinople; the specific site of death is not identified in the source.