it is possible to manage effective date using Single Rows extensible flexfield?

Summary:

We have created a new context, called Site Information, under the Assignment extensible flexfield.

it is possible to save historical changes under this context?

i would like to add a new value that automatically put the old rows with a specific effective end date

Content (required):

extensible flexfield

Version (include the version you are using, if applicable):

23B

Code Snippet (add any code snippets that support your topic, if applicable):