13th of july
1723 - The Turks occupy Tbilissi (Georgia).
1848 - The district of Marash changes from a pasha's domain to a vilayet.
1849 - Grigor Galstian publishes, for four years, the semi-annual "Study" paper.
1878 - Signature of the Treaty of Berlin. Unlike the Treaty of San Stefano, no guarantees for reforms in Western Armenia were stipulated. Turkey undertook no reforms.
1878 - The Berlin Congress ends.
1915 - Start of the defence of Mount Moses (Moosa) (Western Armenia). This episode of the Armenian Genocide of 1915, as implemented by Turkey, is the subject of Franz Werfel's "The Forty Days of Musa Dagh".
1922 - Death of Kamo (Bolshevik revolutionary figure) - Simon Ter-Petrosyan - in Tbilissi. He was born in 1882 04 05.