(LEAVENWORTH, Wash.) Mark your calendars, get your Trachten (traditional German garments) dry-cleaned, and start rallying your friends. The Leavenworth Chamber of Commerce has announced the return of Oktoberfest in Leavenworth over three festive weekends (Fridays & Saturdays) this fall. Scheduled for Sept. 29-30, Oct. 6-7, and Oct. 13-14, 2023, Oktoberfest will take place throughout