The oldest cathedral in the world is in Armenia; Daniel Esparza; Aleteia
Built in 301 by St. Gregory the Illuminator, it is a testament to both Armenian and universal history.
The Etchmiadzin Cathedral, in the city of Vagharshapat, is the main church of the Armenian Apostolic Church. According to both historians and archaeologists, it is the first cathedral built in Armenia. This means Etchmiadzin shares a place of honor with the Archbasilica of St. John Lateran in Rome, the Rotonda of St. George in Thessaloniki, and the Church of Dura-Europos in Syria among the oldest churches in the whole world.