City and capital of Iaşi district, in Moldavia, 200 mi NNE of Bucharest. First mentioned in 1408, it was the capital of Moldavia from 1565 to 1859. It was sacked by Tatars in 1513, by Turks in 1538, and by Russians in 1686. The Treaty of Jassy, which ended the Russo-Turkish War of 1787 to 1792, was signed here on January 9, 1792. During World War I the city was the temporary capital of Romania. Its large Jewish population was exterminated during the German occupation of World War II. It was retaken by Soviet forces in 1944.