Swiss pike square in the battle near Sempach on the 9th of July, 1386. Painting by Hans Ulrich Wegmann (1638/41) from the Battle Chapel at Sempach.
<a href="//commons.wikimedia.org/wiki/User:Parpan05" title="User:Parpan05">Adrian Michael</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>