In which I present a lecture on St. Augustine history

Last weekend we went camping near St. Augustine. I've been itching to visit the city, because it's the oldest city in the U.S. (founded 1565). I read a lot of history before we went, and it can be roughly summed up as follows:
1. The French settled in Florida.
2. The Spanish slaughtered them. Seriously, the valley where this happened is now called Matanzas (Slaughter) Valley.
3. The Spanish killed a bunch of Native Americans.
3. The English invaded from Georgia.
4. The Spanish tried their best to kill the English.
5. Eventually, Florida was transferred from the Spanish to the English, back to the English, and then to the U.S. (but not until 1819).

Basically, it is a very bloody history. This was especially apparent on our trip, since we visited two forts (Fort Matanzas and Castillo de San Marcos) and saw a demonstration of cannon fire.

St. Augustine also had a rather tragic history during the 1960's. The city became nationally known when it planned the 400th anniversary of its founding, but didn't include African Americans in the celebration. As a result of this lack of inclusion and rampant segregation, there were months of protests. The civil rights activists were aided by Martin Luther King, who helped make the St. Augustine protests nationally known so that the Civil Right Act of 1964 would get passed. In the end the Act was passed, but protesters continued to be harassed, beaten, and killed by the Ku Klux Klan while the St. Augustine authorities continued to support segregation. Reading about it made me appreciate how far we've come, even though I know how much work is left to be done to make the country truly equitable.

In contrast to that part of history, the camping was peaceful. We like to camp "rustic", which means no water or electricity at the campsites. Luckily we didn't have to haul our water from home, since they had water at a different part of the campsite. The best part of the camping, as far as I'm concerned, was that we saw an armadillo. It was crashing around our campsite for a good part of the evening - I assume that their armor protects them from the need to quietly avoid predators. The less fun part of our trip was the sleeping arrangements. We threw out our air mattress because it has sprung a leak, so we slept on the ground. Can anyone recommend a good alternative to air mattresses?