# Timeline: a bug?

**URL:** <https://gramps.discourse.group/t/timeline-a-bug/2110>\
**Category:** Help\
**Tags:** timeline\
**Created:** [January 5, 2022, 7:01pm UTC](https://gramps.discourse.group/t/timeline-a-bug/2110 "2022-01-05T19:01:35Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![PLegoux](https://yyz2.discourse-cdn.com/free1/user_avatar/gramps.discourse.group/plegoux/32/413_2.png) [@PLegoux](https://gramps.discourse.group/u/PLegoux)\
**Post date:** [January 5, 2022, 7:01pm UTC](https://gramps.discourse.group/t/timeline-a-bug/2110/1 "2022-01-05T19:01:35Z")

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I just see this timeline in families where people have French Revolution date as birth dates wich don’t compute well this event date vs marriage date:

 ![Untitled (5)](https://global.discourse-cdn.com/free1/uploads/gramps/original/2X/4/49724f4baeaa163b8c0434f2d89dd5c0c42878f8.png)

Inconnu → i.e unknown in French

A bug?

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**Author:** ![SNoiraud](https://yyz2.discourse-cdn.com/free1/user_avatar/gramps.discourse.group/snoiraud/32/72_2.png) [@SNoiraud](https://gramps.discourse.group/u/SNoiraud)\
**Post date:** [January 5, 2022, 11:01pm UTC](https://gramps.discourse.group/t/timeline-a-bug/2110/2 "2022-01-05T23:01:33Z")

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It is a bug. I can reproduce it.

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**Author:** ![PLegoux](https://yyz2.discourse-cdn.com/free1/user_avatar/gramps.discourse.group/plegoux/32/413_2.png) [@PLegoux](https://gramps.discourse.group/u/PLegoux)\
**Post date:** [January 6, 2022, 8:11am UTC](https://gramps.discourse.group/t/timeline-a-bug/2110/3 "2022-01-06T08:11:48Z")

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Okay, I’ll open a case in mantis.

Thanks

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**Author:** ![SNoiraud](https://yyz2.discourse-cdn.com/free1/user_avatar/gramps.discourse.group/snoiraud/32/72_2.png) [@SNoiraud](https://gramps.discourse.group/u/SNoiraud)\
**Post date:** [January 6, 2022, 8:44am UTC](https://gramps.discourse.group/t/timeline-a-bug/2110/4 "2022-01-06T08:44:35Z")

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See PR: [Family timeline error when dates are not gregorian by SNoiraud · Pull Request #1322 · gramps-project/gramps · GitHub](https://github.com/gramps-project/gramps/pull/1322)