At the invitation of king Manuel I of Portugal, Vespucci participated as observer in several voyages that explored the east coast of South America between 1499 and 1502.
Citation:
Editors. "Amerigo Vespucci explores parts of South America".
The Literary Encyclopedia. First published 01 January 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=9842, accessed 24 May 2013.]