The Battle of Tannenberg Line or the Battle of the Blue Hills was a military engagement between the German Army Detachment Narwa and the Soviet Leningrad Front.

The Battle of the Mareth Line or the Battle of Mareth was an attack in the Second World War by the British Eighth Army (led by General Bernard Montgomery) in Tunisia, against the Mareth Line held by the Italo-German 1st Army (led by General Giovanni Messe).

one of a series of engagements that led to the destruction of the Tawakalna Iraqi Republican Guard Division, on 26 February 1991, by a simultaneous attack of the 1st and 3rd armored divisions, the 1st Infantry Division, and the 2nd Armored Cavalry Regiment during the Persian Gulf War.

The Battle of the Metaxas Line, also known in Greece as the Battle of the Forts, was the first battle during the German invasion of Greece in World War II.