6. The true era of his death is perplexed with some
difficulties (Tillemont, Mem. Eccles. tom viii. p. 719-723).
But the date (A.D. 373, May 2) which seems the most
consistent with history and reason is ratified by his
authentic Life (Maffei, Osservazioni Letterarie, tom. iii.
p. 81).