diff --git a/usr.bin/calendar/calendars/calendar.history b/usr.bin/calendar/calendars/calendar.history
index 2e9df0eeb672..46e26f36e418 100644
--- a/usr.bin/calendar/calendars/calendar.history
+++ b/usr.bin/calendar/calendars/calendar.history
@@ -316,7 +316,7 @@
 09/10	Gandalf escapes from Orthanc (LOTR)
 09/10	Mountain Meadows Massacre.  Mormons kill Gentile wagon train, 1857
 09/12	German paratroopers rescue Mussolini from captivity in Rome, 1943
-09/12	Germany annexes Südetenland, 1938
+09/12	Germany annexes Sudetenland, 1938
 09/13	136.4 F at el Azizia, Libya, 1922
 09/13	British defeat the French at Abraham near Quebec City, 1788
 09/13	Building of Hadrian's Wall begun, 122