Complex sentence: She was built at Chatham, starting May 10,1758, launched February 19,1760, commissioned three days later, and left to join the squadron blockading Brest (this being the Seven Years' War) on April 8.
Split into simpler sentences: She was built at Chatham, starting on May 10 1758, launched on February 19 1760, and commissioned three days later. She left to join the squadron blockading Brest (this being the Seven Years' War) on April 8.