Is it Nicholas's graduation or Nicholas' graduation?

Answer:
This is definitely wrong, we just went over this in my English class and it is...
Nicholas's Graduation
I have the toughest English teacher in the whole school and a brother named Nicholas so take my word for it...

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The correct one:
Nicholas' graduation.
That is because of the ending with an 's'. If that was not the case, you would write it like 's.
Example:
John's graduation.
First answer by Neejan. Last edit by Shelby11195. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 4 [recommend question].