Now that The Undertaker's famous undefeated streak has ended, we can now look back it in its entirety. In the days leading up to WrestleMania 31, we will take a look back at every memorable chapter of the feat that can never be duplicated. Here's a look at what became the holy grail of professional wrestling.

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The Undertaker vs. Sycho Sid  (WWE Championship) (6-0)

WrestleMania 13 | Rosemont Horizon (Allstate Arena) — Rosemont, Ill. | March 23, 1997

Attendance: 18,211

Match length: 21:19

By 1997, The Undertaker had seemingly done it all in during his time with the WWE.

He had become a household name among wrestling fans around the world, appeared at multiple WrestleManias and briefly held the WWE Championship.

But there was still something missing from his already stellar resume: a WrestleMania main event. He was also missing an impactful and memorable title win and reign.

It was finally his time to step into that limelight at WrestleMania 13 as he challenged the formidable Sycho Sid for the WWE Championship in the main event.

Being in the main event was not only a reward for all of The Undertaker's hard work and sacrifice to that point, it was also a chance for him to have another lengthy match on the grandest stage.

Clocking in at 21 minutes and 19 seconds, this was only the second time in six appearances that The Undertaker's match had gone more than 10 minutes and the first to go more than 20.

As much as this match served as The Undertaker's coronation, it was just as much about the intense rivalry between Bret Hart and Shawn Michaels.

Michaels had stepped away from in-ring action due to a severe knee injury. Since he wasn't featured on the card, Michaels was tasked with doing guest commentary for the match.

Before the match even got started, however, Hart, who had defeated Steve Austin in a classic submission match earlier in the night, came to the ring and berated everyone in sight on the microphone, especially Michaels, whom Hart thought was milking his injuries. Hart wasn't kidding either. He really thought Michaels was embellishing his pain.

Sid eventually disposed of Hart and the match was on. The match was as good as it could have been. Sid was an amazing specimen that was arguably had one of the best looks in the history of the business. Despite being the heel, he was pretty popular among the fans as well.

He was a decent in-ring performer, but was not on the same level as The Undertaker. The match was pretty standard up until the point where Sid delivered the tombstone to The Undertaker, which was amazing to see.

The Undertaker managed to kick out of his own finishing move and continued the match. However, Undertaker and Sid took a back seat once again to whatever Hart and Michaels were doing, as Hart interfered in the match.

Hart's interference allowed The Undertaker to deliver a proper tombstone to Sid to end the match and capture his second WWE Championship.

To this point, WrestleMania 13 was The Undertaker's defining and signature moment. Not only was it his second title win, but it happened in the main event of WrestleMania, where Hulk Hogan, Randy Savage, Ultimate Warrior and Hart had stood tall before him.

Fortunately, the best was yet to come from the dead man.