Final answer:
Black Bart, or Bartholomew Roberts, is known for capturing around 400 ships in a span of four years, making him one of the most successful pirates in history.
Step-by-step explanation:
Black Bart, also known as Bartholomew Roberts, was a notorious pirate who captured numerous ships during his career. In the span of four years, Black Bart is estimated to have captured around 400 ships. His success as a pirate was unparalleled, making him one of the most feared and successful pirates of all time.