How to add Yoast variable?

Question

WordPress

How to add %%date%% variable to all website titles?

It only works for new entries, and does not work for past ones.
I do not want to update each record manually when there are 1000 of them))

How can I automatically register it for all past titles in records?

Answer 1

SEO ➝ SERP Display ➝ Content Types ➝ Posts ➝ SEO Title