In which conflict was the phrase "Remember the Alamo!" significant?

The phrase "Remember the Alamo!" is deeply associated with the Texas Revolution, which took place between 1835 and 1836. This slogan emerged as a rallying cry for Texan forces who were fighting for independence from Mexico and commemorates the Siege of the Alamo, a pivotal event in the conflict. During this siege, a small group of Texan defenders held out against a much larger Mexican army for 13 days. Despite ultimately being defeated, the bravery and sacrifice of those at the Alamo galvanized Texan troops and supporters fighting for their independence. The phrase became a symbol of perseverance and determination, motivating forces during subsequent battles in the revolution. This legacy is significant in Texan history and American culture, underscoring the fight for freedom and the quest for autonomy.

The other conflicts presented do not directly relate to this phrase; the American Revolutionary War predates the Texas Revolution, the Mexican-American War involved different issues regarding territory, and while there were Texas regiments involved in the Civil War, the phrase itself does not hold the same historical significance in those contexts.