This course explores the thousand-year history of the Yiddish language, from its origins in the Rhine and Danube regions to its development within Ashkenazic rabbinic civilization. It examines key periods and cultural shifts, including the rise of secular and religious literature, the impact of modernity and the Holocaust, and the contemporary resurgence of Hasidic Yiddish and its nascent literature. The course provides a comprehensive overview of Yiddish's evolution and its ongoing significance in Jewish culture.