User:Jnestorius/List of ordinal anomalies


 * Pope John the nth: ..., Pope John XIX, no Pope John XX, Pope John XXI, ...
 * Pope Martin the nth: Pope Martin I, no Pope Martin II, no Pope Martin III, Pope Martin IV, ...
 * nth President of the United States: ..., 21 Chester A. Arthur, 22 Grover Cleveland, 23 Benjamin Harrison, 24 Grover Cleveland again, 25 William McKinley, ...
 * nth Amendment of the Irish Constitution: ..., 11, no 12, 13, 14, ..., 20, 21, no 22, 23, no 24, no 25, 26
 * Games of the nth Olympiad: ..., Vth, no VIth, VIIth, ..., XIth, no XIIth, no XIIIth, XIVth, ...
 * First Blood / Rambo n: First Blood, Rambo: First Blood Part II, Rambo III (not Rambo II / First Blood Part III), John Rambo (this one is hardly an anomaly; when n is embarrasingly large, the producers usually drop it)
 * Apollo program: Apollo 1, no Apollo 2 or 3, Apollo 4, ...