Among the 79 episodes of the original series, is there ever mention of the specific date on which James T. Kirk was given command of the Enterprise?

I'm quite sure a date has been retcon'd through later works, novels, etc., but I am wondering if such date was ever mentioned, either on-screen in one or more of the original series episodes, or in background materials authored at the time (e.g. original series "bible").

Motivating my question is the situation with the currently-running Star Trek Discovery, stated to be set ten years prior to the events of TOS (obviously excluding the original pilot, the events of which Spock declares to be 13 years prior). Piecing this timeline together, the Talos IV incident (The Cage, The Menagerie flashbacks) occurred about 3 years before the Discovery stories pick up.

In the Discovery season finale, Discovery comes to the aid of Enterprise, still under the command of Pike, but for how much longer?

Depending on how earlier canon has established things, we might reasonably expect to encounter Kirk, either as a junior officer on the way up, or even assuming command of Enterprise as her captain during the Discovery show run... or not?

Among the 79 episodes of the original series, is there ever mention of the specific date on which James T. Kirk was given command of the Enterprise?

I'm quite sure a date has been retcon'd through later works, novels, etc., but I am wondering if such date was ever mentioned, either on-screen in one or more of the original series episodes, or in background materials authored at the time (e.g. original series writer's "bible").

Motivating my question is the situation with the currently-running Star Trek Discovery, stated to be set ten years prior to the events of TOS (obviously excluding the original pilot, the events of which Spock declares to be 13 years prior). Piecing this timeline together, the Talos IV incident (The Cage, The Menagerie flashbacks) occurred about 3 years before the Discovery stories pick up.

In the Discovery season finale, Discovery comes to the aid of Enterprise, still under the command of Pike, but for how much longer?

Depending on how earlier canon has established things, we might reasonably expect to encounter Kirk, either as a junior officer on the way up, or even assuming command of Enterprise as her captain during the Discovery show run... or not?