diff --git a/usr.bin/calendar/calendars/calendar.freebsd b/usr.bin/calendar/calendars/calendar.freebsd
index 0566e98d5be..8099c397f57 100644
--- a/usr.bin/calendar/calendars/calendar.freebsd
+++ b/usr.bin/calendar/calendars/calendar.freebsd
@@ -341,6 +341,7 @@
 11/19	Konstantin Belousov <kib@FreeBSD.org> born in Kiev, USSR, 1972
 11/20	Dmitry Morozovsky <marck@FreeBSD.org> born in Moscow, USSR, 1968
 11/20	Gavin Atkinson <gavin@FreeBSD.org> born in Middlesbrough, United Kingdom, 1979
+11/21	Mark Johnston <markj@FreeBSD.org> born in Toronto, Ontario, Canada, 1989
 11/22	Frederic Culot <culot@FreeBSD.org> born in Saint-Germain-En-Laye, France, 1976
 11/23	Josef Lawrence Karthauser <joe@FreeBSD.org> born in Pembury, Kent, United Kingdom, 1972
 11/24	Andrey Zakhvatov <andy@FreeBSD.org> born in Chelyabinsk, Russian Federation, 1974