Doonesbury by Garry Trudeau for December 22, 1970
Transcript:
Mark: Doonesbury, this country is being torn apart! I just can't stand by and watch it happen! Mike: Uh-huh. Mark: The only answer is resistance!! And I will fight 'till death to make this country great again! I vow it!! And, I... Mike: Excuse me, Mark, would you care for a chocolate chip cookie? Even revolutionaries like chocolate chip cookies...
That’s Mark, not Trump. Still, seeing the phrase pop up from Mark at this early stage is a bit eerie given Trump’s use of the slogan.