diff --git a/CHANGELOG.md b/CHANGELOG.md
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--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 2021-03-18
+
+- examples/usb-mouse.rs, a very small example using external hid library.
+  
 ## 2021-03-07
 
 - examples/rtic_bare7.rs, using embedded HAL.