 Complete the following phrase:  With the advent of the 1910s, Khoy was occupied by Ottoman troops, but they were completely expelled from the area by the Russians by 1911. Khoy was one of the many cities in Iran which garrisoned Russian infantry and Cossacks. The Russians retreated at the time of Enver Pashas offensive in the Iran-Caucasus region, but returned in around early 1916, and stayed in the region up to the wake of the Russian Revolution. In 1918, for a final brief period, the Ottomans took Khoy until the decisive end of World War I and the Armistice of Mudros. In World War II, Khoy was again occupied by Soviet troops, who remained until 