diff --git a/usr.bin/calendar/calendars/calendar.freebsd b/usr.bin/calendar/calendars/calendar.freebsd
index 56a3dae0bd52..5677a6714dea 100644
--- a/usr.bin/calendar/calendars/calendar.freebsd
+++ b/usr.bin/calendar/calendars/calendar.freebsd
@@ -54,6 +54,7 @@
 05/26	Jim Pirzyk <pirzyk@FreeBSD.org> born in Chicago, Illinois, United States, 1968
 05/27	Ollivier Robert <roberto@FreeBSD.org> born in Paris, France, 1967
 05/29	Wilko Bulte <wilko@FreeBSD.org> born in Arnhem, Netherlands, 1965
+05/29	Seigo Tanimura <tanimura@FreeBSD.org> born in Kitakyushu, Fukuoka, Japan, 1976
 06/04	Thomas Moestl <tmm@FreeBSD.org> born in Braunschweig, Germany, 1980
 06/07	Jimmy Olgeni <olgeni@FreeBSD.org> born in Milano, Italy, 1976
 06/24	Chris Faulhaber <jedgar@FreeBSD.org> born in Springfield, Illinois, United States, 1971