The following lists events that happened during 301 in Armenia.
Events King Tiridates III proclaims Christianity as the official state religion, making Armenia the first nation to adopt Christianity as its official religion (traditional date).C.W. Dugmore, The Journal of Ecclesiastical History (Cambridge University Press) p.268.A. Dzh. (Arman Dzhonovich) Kirakosian, The Armenian Massacres, 1894–1896: 1894–1896 : U.S. media testimony, p.131.Johann Christian Wilhelm Augusti, Georg Friedrich Heinrich Rheinwald, Carl Christian Friedrich Siegel, The Antiquities of the Christian Church p.466. Gregory the Illuminator became first Catholicos of All Armenians Construction of Etchmiadzin Cathedral begins
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