Complex sentence: The Narva Offensive (1--4 March 1944) (Estonian: "Putki lahing") was an operation of the Soviet Leningrad Front aimed at the conquest of Narva Isthmus from the German army detachment "Narwa".
Split into simpler sentences: The Narva Offensive (1--4 March 1944) (Estonian: "Putki lahing") was an operation conducted by the Soviet Leningrad Front. It was aimed at the conquest of the Narva Isthmus from the German army detachment "Narwa".