Complex sentence: During the 1904 training exercises, the three "Habsburg"-class battleships engaged the three s in a simulated wargame; the maneuvers marked the first time two squadrons of modern battleships operated in the Austro-Hungarian navy.
Split into simpler sentences: During the 1904 training exercises, the three "Habsburg"-class battleships engaged the three s in a simulated wargame. The maneuvers marked the first time two squadrons of modern battleships operated in the Austro-Hungarian navy.