diff --git a/etc/NEWS.unknown b/etc/NEWS.unknown
index 4aca2525c3d..eafdc953cac 100644
--- a/etc/NEWS.unknown
+++ b/etc/NEWS.unknown
@@ -6,9 +6,26 @@ Since much of early Emacs source history is lost, these versions are
 conservative estimates: the actual version of first appearance may very
 well be much earlier.
 
+* Changes in Emacs 19.7
+** 'defsubst'
+
+* Changes in Emacs 18.59
+** 'mark'
+
 * Changes in Emacs 13.8
 This may be the earliest surviving version with source code, although
 damaged.  See
 https://github.com/larsbrinkhoff/emacs-history/decuslib.com/decus/vax85b/gnuemax
 
 ** 'nthcdr'
+** 'nreverse
+** 'let*'
+** 'rassq'
+** '>='
+** 'transpose-sexps'
+** 'buffer-modified-p'
+** 'current-column'
+** 'downcase'
+** 'previous-line'
+** 'catch', 'throw'
+** 'count-lines'