Why is the alamo important to us history?

The battle of the Alamo is a long-recognized symbol of bravery in the face of unbeatable odds. Although the battle itself lasted only 90 minutes, it was the culmination of a 13-day siege by General Antonio López de Santa Anna's troops against the outnumbered inhabitants of the fort.

The alamo is basically the signification of courage against unbeatable odds. The battle itself was only 90 minutes (1 hour 30 minutes) but the siege itself was a total of 13 days. General Antonio Lopez and his troops held out even with how outnumbered they were.