If John celebrated his victory day on Tuesday, January 5, 1965, when will he celebrate his next victory day on the same day?

As per the given above question , we have
January 5th, 1965 ⇒ Tuesday
January 5th, 1966 ⇒ Wednesday
January 5th, 1967 ⇒ Thursday
January 5th, 1968 ⇒ Friday
January 5th, 1969 ⇒ Sunday
Since, 1968 is a leap year.
January 5th, 1970 ⇒ Monday
January 5th, 1971 ⇒ Tuesday
Therefore , required answer is Tuesday .