diff --git a/usr.bin/calendar/calendars/calendar.history b/usr.bin/calendar/calendars/calendar.history
index ee81f77cfb03..cba3d7ade3be 100644
--- a/usr.bin/calendar/calendars/calendar.history
+++ b/usr.bin/calendar/calendars/calendar.history
@@ -582,9 +582,9 @@
 10/16	The Walt Disney Company is founded by Walt Disney
 	and his brother, Roy Disney, 1923
 10/17	Al Capone convicted of income tax evasion, 1931
-10/18	Boston Shoemakers form first US labor org., 1648
 10/18	Soviets announce their probe took photos of the Moon's far side, 1959
 10/18	The Grand Ole Opry opens its doors, 1925
+10/19	Boston Shoemakers form first American labor organization, 1648
 10/19	Mao Tse-tung establishes the People's Republic of China, 1949
 10/19	Napoleon's beaten army begins the long retreat from Moscow, 1812
 10/20	"Saturday Night Massacre", 1973