Mexican General Santa Anna disabled and buried the Alamo’s 16-pounder after the battle at the Alamo in 1836. Years later it was unearthed and given to the Alamo. It was restored in 2017, here’s the link to tell you all about this important Alamo relic. https://www.thealamo.org/visit/whats-at-the-alamo/16-pounder-cannon
Interesting history! Thank you for including that link. it really is much bigger than it looks like based on that information. Your photo of it is spectacular in that light.