A diagram of the naval Battle of Diu, fought by the Portuguese, in 1509. Made using Inkscape by me, for general educational use.
<div class="fn value">
<a href="//commons.wikimedia.org/w/index.php?title=User:Crenelator&amp;action=edit&amp;redlink=1" class="new" title="User:Crenelator (page does not exist)">Crenelator</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Crenelator" class="mw-redirect" title="User talk:Crenelator">talk</a><span style="white-space:nowrap"> <b>·</b></span> <a href="//commons.wikimedia.org/wiki/Special:Contributions/Crenelator" title="Special:Contributions/Crenelator">contribs</a>)</div>
<span class="int-own-work" lang="en">Own work</span> by <a href="//commons.wikimedia.org/w/index.php?title=User:Crenelator&amp;action=edit&amp;redlink=1" class="new" title="User:Crenelator (page does not exist)">Crenelator</a>