What are some of histories greatest last stands?

Let's talk about some battles in history where the odds were all but insurmountable and yet the defenders were able to hold out in the face of such odds.<br><br>You can talk about battles like the Spartans at Thermopylae, the 300 Texans at the Alamo, Washington's stand at brooklyn heights, or even if it's some more obscure battle you think deserves more recognition.<br><br>What is your favorite last stand in history?