George Henry Thomas - Incorrect death date for George Henry Thomas

I would suggest instead of starting a Discussion with this information that you put the data into the profile's About section and then Edit the profile to correct the death date.

In this specific instance the marriage date has been placed by mistake in the death date field.

The advantage of placing information in the About rather than a Discussion is that other users who land on the profile will easily spot the data in the About whereas many will not think to look in the Discussions tab.

I use Discussions when there is something to discuss, there doesn't seem to be anything to discuss in this instance.