Lodz Birthday is an annual event celebrated between July and August, aimed at the commemoration of granting city rights to Lodz (29 July 1423). Lodz Birthday in not only concerts traditionally held on the Liberty Square and in Manufaktura, but also lots of picnics, walks, excursions to unusual places, and other side events.
Special bus routes are opened for the duration of the celebration in order to facilitate moving around the city in that time for the visitors.
