Odessa was attacked by Romanian and German troops in August 1941. The defense of Odessa lasted 73 days from 5 August to 16 October 1941. The defense was organized on three lines with emplacements consisting of trenches, anti-tank ditches and pillboxes. The first line was long and situated some from the city. The second and main line of defense was situated from the city and was about long. The third and last line of defense was organized inside the city itself.