Donald Trump, Civil War Historian

[bats]

Starting at the 5:49 mark, listen to this genius talk about the Battle of Gettysburg and General Robert E. Lee:

[HighStepper]

The video at the time frame noted by the OP.
https://youtu.be/NgeLRtpC2WI?t=352

Later on in the same video:
Trump compares himself to Nelson Mandela and Jesus Christ.
A humorous response to Trump martyr claim, Desi Lydic, Ronny Chieng, and Josh Johnson go head-to-head to decide which persecuted martyr he resembles most.
https://youtu.be/NgeLRtpC2WI?t=660