When no one sees a legend die, then the legend lives. William C. Davis It’s not wise to learn history from movies. This is especially true of the history about the siege and assault of the Alamo. Even less so when trying to ascertain irrefutable facts of how David Crockett died.
See "Death of Legend - the Myth and Mystery Surrounding the Death of Davy Crockett."
The Alamo did not fall on Palm Sunday; the massacre at Goliad took place on that day.
Absolutely excellent!