[Da Bilge Troll]

"I’d like to get some kind of definitive yes or no answer"

No, a CoS has never been called under the Constitution, but there were many conventions prior to the Constitutional Convention.

[Gaffer]

Yes...that’s a common evasion ploy also. Look again in the very article’s description and you will see that its measures aren’t allowed before 1808. You argue the only point you can with examples that violate the very article you seek to use. Good try.