We do not know for sure. He was probably born about the year 10 and died about the year 100 AD.
John is the patron saint of:•against burns •against poisoning •art dealers •authors •bookbinders •booksellers •burn victims •compositors •editors •engravers •friendships...
Formal canonization didn't begin until the 13th century. He was proclaimed a saint by the his contemporary community of believers.
We do not know when he was born but it was probably about the year 10 AD.
an eagle