I don't know if you are looking for a specific uprising. The biggest (?) occurred in 1824. Called the Chumash Rebellion of 1824, it occurred after a soldier beat a neophyte youth at Mission Santa Ines. The Santa Ines Chumash sent for help from other Missions. Here, a large fire developed and destroyed buildings. It is reported, though, that it was the Chumash who put the fire out. The Rebellion expanded to Mission Santa Barbara where their Chumash neophytes temporarily took control of this Mission before running away. At Mission La Purisima, the Chumash reportedly took control for one month. It wasn't until soldiers from Monterrey arrived before the rebellion was stopped, but with 17 deaths. More Chumash were later sentenced to die. After the Rebellion, many of the Chumash left their missions for the mountains. Without neophytes, the missions could not function. Two expeditions of soldiers went to find the Chumash and plead with them to return.
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