Is there any historical evidence that the early church believed in the divinity of Jesus?

Is there any historical evidence that the early church believed in the divinity of Jesus? What about the **first century**? What about the **second century** (and so on)? Was the belief in the divinity of Jesus widespread? Was it the norm or the exception? Can we find reliable answers to these questions in the historical records? Answers to this question should provide clear unambiguous evidence of post-New Testament writings which teach the divinity of Jesus.