An excellent question! One that everyone should ask. The answer is yes, absolutely! The life and existence of Jesus in the first century can be confirmed through a number of secular sources. Click on the following links to see specific details about this subject:
Historical Evidence of the Gospel Account: Herod and John the Baptist
Historical Evidence of the Gospel Account: The Death of Herod
Historical Evidence of the Gospel Account: Murder of James, the Brother of Jesus
Historical Evidence of the Gospel Account: Josephus speaks of Jesus
Historical Evidence of the Gospel Account: Roman Historian Suetonius