How accurately does Deadwood (2004) portray the historical events of the era?

Deadwood's Historic Accuracy poll options

Deadwood's Historic Accuracy

Deadwood (2004)

Deadwood

• Very accurately, it's like a history lesson
• Somewhat accurately, but with some creative liberties
• Not very accurately, it's mostly fiction
• I'm not sure, I don't know much about the history of Deadwood.