U-29 was a German submarine, or U-boat, that operated during World War I. Commissioned in 1914, it was part of the Imperial German Navy and played a role in the naval warfare of the time. U-29 was known for its successful missions against Allied shipping, contributing to the U-boat campaign aimed at disrupting supply lines. The submarine was eventually sunk in 1918, marking the end of its service. U-29's legacy is part of the broader history of U-boats in World War I, which were significant in changing naval tactics and strategies during the conflict.