> For the complete documentation index, see [llms.txt](https://docs.geoprismregistry.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.geoprismregistry.com/readme/current/geoprism-registry-tutorial/6.5-content-management/6.5.3-historical-events.md).

# 6.5.3. Historical events

The *Historical Events* module allows users to capture the changes to Geo-Objects such as when there are splits, merges, reassignments, upgrades (moving up the hierarchy), or downgrades (moving down the hierarchy). It also presents a visual representation of the Geo-Object's changes over time.