diff --git a/homeassistant/recorder.yaml b/homeassistant/recorder.yaml
index 5efd4048a..08b4fa8a4 100644
--- a/homeassistant/recorder.yaml
+++ b/homeassistant/recorder.yaml
@@ -3,6 +3,8 @@ commit_interval: 30
 auto_purge: true
 include:
   entity_globs:
+    # calendar
+    - calendar.*
     # powwerwall
     - sensor.memory*
     - sensor.*_charge