Remember Goliad? Probably not, if you aren't a Texan. Even if you are, unless you are a Texan over fifty when schools still educated folks, you probably don't. Goliad was where
Today however is the anniversary of the Battle of San Jacinto. Sam Houston had led a retreat from San Antonio almost to Houston while Santa Ana pursued him. As the armies camped, the Mexicans at the end of their extended supply lines, they anticipated a battle the next morning. General Santa Ana entertained himself with one of his camp followers after lunch and settled into his afternoon siesta. Houston surprised him and the Texians attacked in the afternoon, decisively defeating the Mexican army once and for all then capturing Santa Ana cowering in a thicket.
Remember the Alamo! Absolutely. But remember San Jacinto as well.
It might be a good history for our president to read. Embrace victory. It is so much sweeter than defeat in war.