[Vigilanteman]

The last Democrat president who was a significant improvement on his GOP opponent was Grover Cleveland.

Truman and JFK were the only ones since who were even arguably close. And they were both merely mediocre.

[Fai Mao]

“Truman and JFK were the only ones since who were even arguably close. And they were both merely mediocre.”

Truman followed FDR who was demonrat. So only Kennedy