Complex sentence: Ordered in 1935, and designed to counter the Italian s, "Richelieu" was the first French 35,000-ton battleship and the first modern battleship built after the 1922 Treaty of Washington.
Split into simpler sentences: Ordered in 1935, and designed to counter the Italian s, "Richelieu" was the first French 35,000-ton battleship. She was also the first modern battleship built after the 1922 Treaty of Washington.