diff --git a/usr.bin/calendar/calendars/calendar.computer b/usr.bin/calendar/calendars/calendar.computer
index 46b3c4e5b26e..30cb7c44f97b 100644
--- a/usr.bin/calendar/calendars/calendar.computer
+++ b/usr.bin/calendar/calendars/calendar.computer
@@ -10,6 +10,7 @@
 01/17	Justice Dept. begins IBM anti-trust suit, 1969 (drops it, 01/08/1982)
 01/22	Apple airs "1984" commercial during Superbowl XVIII, 1984
 01/24	Data General Nova introduced, 1969
+01/24	First Apple Macintosh released, 1984
 01/25	First U.S. meeting of ALGOL definition committee, 1958
 01/26	EDVAC demonstrated, 1952
 01/31	Hewlett-Packard founded, 1939