Conversation so far:
Who were the Osceola resisting in the 1830s?
Through the 1820s and the turn of the decade, American settlers continued pressuring the US government to remove the Seminole from Florida.
What did the Treaty of Payne's Landing consist of?
The treaty negotiated at Payne's Landing called for the Seminoles to move west if the land were found to be suitable.
How did Osceola and the other Seminoles respond to the conditions of the Treaty of Payne's Landing?
According to legend, Osceola stabbed the treaty with his knife, although there are no contemporary reports of this.
Who was the other party in the Treaty of Payne's Landing besides the Seminoles?
The Treaty of Payne's Landing was an agreement between the government of the United States and several chiefs of the Seminole Indians.
Did the Treaty of Payne's Landing cause the Seminoles to go to war with the US government?
In August 1835 Private Kinsley Dalton was killed by Seminoles as he was carrying the mail from Fort Brooke to Fort King. The Second Seminole War was beginning.
Was Osceola the war leader?
In 1836, Osceola led a small group of warriors in the Seminole resistance during the Second Seminole War

Question: What was their first attack on the US government?
Self-contained rewrite: What was the Seminoles' first attack on the US government preceding the Second Seminole War?