The first minimal fact about the resurrection of Jesus Christ is that He indeed died by crucifixion. Historical records clearly show that the Romans were fond of this method of execution, so it would certainly not be surprising for Jesus Christ to be killed this way. Not only do the Gospels document the fact that Jesus died by crucifixion, but there are several other ancient sources that accepted this reality. Dr. Habermas and Dr. Licona mention several in their book, The Case for the Resurrection of Jesus, but one in particular stood out to me from their work.
“Lucian of Samosata, the Greek satirist, writes, ‘The Christians, you know, worship a man to this day-the distinguished personage who introduced their novel rites, and was crucified on that account.’”
This is a significant testimony for one incredibly large reason. This is not a friendly testimony from someone who was sympathetic to Christianity. Lucian was a satirist, and he is specifically making fun of Christians who have this belief. He was writing this approximately 100 to 150 years after the life of Jesus Christ, but he doesn’t argue that Jesus did not exist.
Opposition testimony is powerful because there is no motivation to mislead for a more favorable interpretation. If Lucian knew that the crucifixion was simply a myth made up by Christians, it would give him more ammunition to mock these Christians. Rather, he is making fun of them for worshiping a man who was crucified. The implication of course is they are worshiping a man who died for nothing. He is making fun of their belief in a crucified Savior and clearly did not affirm the resurrection.
Other non-Christian sources such as Josephus, Tacitus, Mara Bar-Serapion, and the Talmud report the crucifixion of Jesus Christ.
Even if you do not want to grant the divine inspiration of the Bible, it is clearly another set of historical documents that affirm the crucifixion of Jesus Christ as well.
Granting the crucifixion certainly does not guarantee the reality of the resurrection by any means. However, it is important to affirm that Jesus did indeed die. Many people have created theories that Jesus did not really die, but that really did not seem to be a serious consideration for ancient historians. Even though the non-Christian historians mentioned by Habermas and Licona would not affirm the reality of the resurrection, they were willing to report the crucifixion as fact, and that is why virtually all modern scholars accept the reality of the crucifixion; the evidence points to it quite clearly.
 Gary R. Habermas and Michael R. Licona, The Case for the Resurrection of Jesus (Grand Rapids: Kregel, 2004), Kindle Locations 395-396, Kindle Edition.