Merge pull request #5256 from segmentio/Panandhan22-patch-3

Events with older timestamps are not showing on Google end.

src/connections/destinations/catalog/actions-google-analytics-4/index.md

@@ -172,6 +172,11 @@ Google has some requirements/[limitations](https://developers.google.com/analyti
 
 Google may take [24-48 hours](https://support.google.com/analytics/answer/9333790){:target='_blank'} to process data sent to Google Analytics. As a result, the Google Analytics user interface may not reflect the most current data. The Google Analytics [Realtime report](https://support.google.com/analytics/answer/9271392){:target="_blank"} displays activity on your site as it happens.
 
+### Events with timestamps older than 72 hours are not showing on Google's end
+
+Because [Google's Measurement Protocol API](https://developers.google.com/analytics/devguides/collection/protocol/ga4/reference?client_type=gtag#payload_post_body){:target='_blank'} only accepts events that are backdated by up to 72 hours, GA4 can't accept events older than 72 hours.
+
 ### Google Optimize Support
 
 The Google Analytics 4 Cloud destination does not support Google Optimize. This destination operates in cloud-mode (sending events from Segment servers to Google Analytics using the Measurement Protocol API), which prevents the required [Optimize SDK](https://support.google.com/optimize/answer/11287798?visit_id=637903946258690719-978290187&rd=1){:target="_blank"} snippet from loading on the page.
+