sentences:  In February 1940, "Schlesien" received four L/83 anti-aircraft guns.In April, the ship had her remaining ten 15 cm guns removed, while "Schleswig-Holstein" only lost three of hers.In August, "Schlesien" had her 3.7 cm guns taken off and "Schleswig-Holstein" was almost completely disarmed, retaining only her 28 cm guns.