..and that was the American army firing on it!
There WAS one battle casualty - a Union artillery horse. As stated, the only soldier to die was killed during a cannon salute issued during the evacuation, subsequent to the surrender.
And indeed it was Pierre Gustave Toutant Beauregard in command of the American forces. He also has the distinction of being the designer of the immortal battle flag. He won distinction in the (unjust) war against Mexico in 1848, wounded twice and breveted twice.
[image|http://www.civilwarhome.com/images/Beaure.jpg||||]
PGT Beauregard