[Adverblessly]

It is or used to be the case that as part of account recovery Google would ask you when you created your account as a sort of security question that applies to everyone, so I'd suggest discretion when you think about making such information public.

[oneeyedpigeon]

I really hope they've stopped doing that. Now that so many of the answers are going to be "about 20 years ago", no legitimate users are going to remember these specifics!