diff --git a/httpstatuscodes.html b/httpstatuscodes.html
index d93eb4b..61e1031 100644
--- a/httpstatuscodes.html
+++ b/httpstatuscodes.html
@@ -639,6 +639,13 @@
 						<p>A Microsoft extension. This error is given when Windows Parental Controls are turned on and are blocking access to the given webpage.</p>
 					</div>
 				</div>
+				<div class="span4">
+					<a data-toggle="collapse" data-target="#unavailable_for_legal_reasons">451 Unavailable For Legal Reasons</a>
+					<div id="unavailable_for_legal_reasons" class="collapse">
+						<h3>Wikipedia</h3>
+						<p>Intended to be used when resource access is denied for legal reasons, e.g. censorship or government-mandated blocked access. A reference to the 1953 dystopian novel Fahrenheit 451, where books are outlawed, and the autoignition temperature of paper, 451°F.</p>
+					</div>
+				</div>
 				<div class="span4">
 					<a data-toggle="collapse" data-target="#client_closed_request">499 Client Closed Request (Nginx)</a>
 					<div id="client_closed_request" class="collapse">