What amazing thing did Joshua Slocum do for 3 years on the "Spray" starting in 1895?

Joshua Slocum (February 20, 1844 – on or shortly after November 14, 1909) was the first person to sail single-handedly around the world. He was a Nova Scotian-born, naturalised American seaman and adventurer, and a noted writer. In 1900 he wrote a book about his journey, "Sailing Alone Around the World," which became an international best-seller. He disappeared in November 1909 while aboard his boat, the "Spray."