Conversation so far:
Where was George M. Cohan's birth day written?
A baptismal certificate indicated that he was born on July 3, but George M. Cohan and his family insisted that he was born Fourth of July!“
Where is George M. Cohan's birth certificate from?
A baptismal certificate was from St. Joseph's Roman Catholic Church.
Where was George M. Cohan born?
George M. Cohan was born in Providence, to Irish Catholic parents.
What state was George M. Cohan born in?
George M. Cohan was born in 1878 in Providence, Rhode Island.
What year was George M. Cohan born in?
George M. Cohan was born in 1878.
What was wrong on George M. Cohan's baptismal certificate?
The baptismal certificate had George M. Cohan's mother's first name incorrect.

Question: What else did they say was wrong?
Self-contained rewrite: What else did George M. Cohan's baptismal certificate say was wrong?