fact is that Behaim's dates do not match the dates of this voyage and there is no independent evidence that Behaim sailed with Cão.

Antonio Pigafetta, an Italian writer who accompanied Ferdinand Magellan alleges that Magellan had prior knowledge of a passage to the "Southern Sea" derived from a map made by Behaim. Historians now doubt that Behaim had any direct knowledge of such a passage but he may have depicted mysterious passages in an unknown land