#15421: fix an OverflowError in Calendar.itermonthdates() after datetime.MAXYEAR.  Patch by Cédric Krier.
diff --git a/Misc/NEWS b/Misc/NEWS
index e734998..84d4bd1 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -103,6 +103,9 @@
 Library
 -------
 
+- Issue #15421: fix an OverflowError in Calendar.itermonthdates() after
+  datetime.MAXYEAR.  Patch by Cédric Krier.
+
 - Issue #15970: xml.etree.ElementTree now serializes correctly the empty HTML
   elements 'meta' and 'param'.