Complex sentence: On 29 December 1812 Bainbridge fell in with the 38-gun HMS "Java", off the coast of Brazil, a vessel of 1,083 tons and formerly the French frigate "Renommée".
Split into simpler sentences: On 29 December 1812, Bainbridge fell in with the 38-gun HMS "Java", off the coast of Brazil. The "Java" was a vessel of 1,083 tons, formerly the French frigate "Renommée".