diff --git a/CHANGELOG b/CHANGELOG
index 077d66d2a0be10043311805e106e5068f766a905..a7c559b69fffb4e9366394189d49fad05b7551ee 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,7 @@
+2016-04-08: initial release
 2016-08-22: removed index column
 2017-04-09: added wato enable/disable, remove columns
 2018-09-04: changes for CMK 1.5.x (inv_tree --> inv_tree_list)
 2020-03-15: added support for CMK1.6x
 2021-07-12: rewritten for CMK 2.0
+2021-07-15: added support for Catalyst 9800 Controllers