Republican presidential contender Dr. Ben Carson drew cheers and applause during his closing statement at the Fox News GOP debate when he noted that he's the only presidential contender to separate Siamese twins.

On this date in 1987, Carson completed the historic operation at Johns Hopkins Hospital, separating twins joined at the head.

The 22-hour surgery to separate then-seven-month-old West German twins Patrick and Benjamin Binder finished Sept. 6, 1987.

Carson, a now-retired pediatric neurosurgeon, has surged into second place behind Donald Trump in the GOP primary polls.

In one recent Iowa poll, Carson was tied with Trump in first place.

Additionally, Carson's favorability ratings among Republicans are sky-high.

Watch Carson's memorable closing statement at the Fox News debate above.

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