The Wright Flyer (often retrospectively referred to as Flyer I or 1903 Flyer) is the first successful powered aircraft, designed and built by the Wright brothers.

The Meiko Computing Surface (sometimes retrospectively referred to as the CS-1) was a massively parallel supercomputer.

The race is retrospectively referred to as the XV Grand Prix de l'ACF.

The winner is Tazio Nuvolari (Italy) driving an Alfa Romeo 8C2600 Tipo B. The race is retrospectively referred to as the XXVI Grand Prix de l'ACF.

The race is retrospectively referred to as the XI Grand Prix de l'A.C.F.

He is sometimes retrospectively referred to by historians as a margrave (marchio).

The sainted Boris I is sometimes retrospectively referred to as tsar, because at his time Bulgaria was converted to Christianity.

Bad Girls Club 6 (often retrospectively referred to as Bad Girls Club: Back in L.A.) is the sixth season of the Oxygen reality television series, The Bad Girls Club.

The race is retrospectively referred to as the XVIII Grand Prix de l'ACF and is also given the honorary designation of European Grand Prix.

These predecessors of the Devon Rex are also retrospectively referred to as "Buckfast Rex".