!!The Books Trivia:
* AuthorExistenceFailure: ''Crisis'' and ''The Point and the Edge'' were left unfinished when Forrester died.
* {{Defictionalization}}: C. Northcote Parkinson (he of Parkinson's Law) wrote a thick, [[ShownTheirWork thoroughly researched]] and realistic biography of Hornblower that could easily be mistaken for being about a real naval hero. Complete with portraits, maps, a family tree, and some plausible extrapolations. For example, Hornblower's first name was really Horace, and a letter released a century after his death reveals [[spoiler:he really did kill Captain Sawyer]].
* RealitySubtext: ''Commodore'' was less historically-researched than the others. Instead, it reflects WorldWarII: Russia's tenuous alliance with England and threat from invaders, occupied and/or neutral Baltic/Scandanavian powers, and Britain's tenuous support.
* ReferencedBy: See ReferencedBy.HoratioHornblower. Some Shout Outs belong probably to both book and TV series.

!!The TV Series Trivia
* DawsonCasting:
** Horatio, 17 years old as of the first film, was played by 25-year-old Creator/IoanGruffudd.
** Same with the then-25 year old Creator/JamieBamber as 17-year old Archie Kennedy.
* DoingItForTheArt: The first series was filmed on ships, and it looked ''awesome''. The second series wasn't; but it still looked pretty good. Sadly averted with the third series, which was done carelessly, and it shows, especially compared to the previous cool instalments.
* ExecutiveMeddling: The Forrester estate would only let "Mutiny" and "Retribution" film if Archie Kennedy was written out. (Not unreasonably, since his friendship with Horatio was changing Horatio's characterization too drastically from the source.) The writers convinced them to at least [[spoiler: let him die on screen. They then pulled a fast one and had Archie perform a HeroicSacrifice to save Horatio.]] And the estate couldn't do anything about it.
* FakeAmerican: The Irish/English actress Camilla Power as American Betsy [[spoiler: Bonaparte]].
* FanNickname:
** "Crumpet" for Archie Kennedy
** "Ratio" for Horatio Hornblower
** Mariette is sometimes referred to as "Frogette"
* FanCommunityNickname: Archie's fans call themselves Crumpeteers. [[note]]It originated at A&E message board "A Naughty Pellew Fantasy". The nickname then appeared in a piece of fan fic "All About Major E." AKA "All About Lord Edrington" by Karen (AKA [=SeaSpotRun=]). It was a tongue-in-cheek questionnaire filled in by Major Edrington who called Archie "a panicky bit of Blonde Crumpet".[[/note]]
* ImageSource:
** BadassAdorable.LiveActionTV
** BurialAtSea
** ReverseArmFold
* HeyItsThatGuy: Fans may recognize several characters from the mini-series as their other rather famous creations.
** Horatio as [[Film/FantasticFour Mr. Fantastic]]
** Archie as [[Series/BattlestarGalacticaReimagined Lee Adama]]
** Mr Bush as [[Series/DoctorWho the Eighth Doctor]] or [[Film/WithnailAndI "I"]]
** Young Jack Hammond is [[Film/HarryPotterAndTheChamberOfSecrets Tom Riddle]].
** Captain Foster is none other than [[StarWars Wedge Antilles]].
** Gunner Hobbs lives in Series/{{Cranford}}.
** Major Côtard was a villainous English "gentleman" once, trying to seduce Marianne Dashwood as Mr Willoughby of ''Film/SenseAndSensibility''.
** Maria Mason used to be a beauty and quite a teenage brat -- as Miss Lydia Bennet of ''Literature/PrideAndPrejudice'' mini-series adaptation.
** Lieutenant Eccleston was once an officer aboard a cool ship and died in the very first episode. On ''Series/RedDwarf'', he appeared as Toddhunter.
** If you look closely in "The Fire Ship," you can see [[{{Series/Sherlock}} Anderson]] applying for a promotion in the Royal Navy.
** [[Series/GameOfThrones Maester Aemon]] was once a famous member of the British Admiralty in "The Wrong War."
** Hey, lots of guys and one gal who appeared on ''Series/{{Sharpe}}'' were in ''Hornblower''.
*** Major Nairn, a British spy master, is dying Captain Keene (Michael Byrne).
*** Colonel Fletcher is Lieutenant Buckland (Nicholas Jones). Neither has impressive fighting skills compared to the respective hero.
*** A workers' rights leader [[spoiler:and Sharpe's long-lost brother]] is Gunner Hobbs (Philip Glenister).
*** Josefina, a Spanish aristocrat and a beauty, is Senora Ortega (Katia Caballero).
*** Mr Tapling of the diplomatic service is Runciman (Ian [=McNeice=]).
*** Steward James Doughty (Ron Cook) is Napoleon. Boney himself! Holly crap, no wonder sailor Styles hated him so much.
* KeepCirculatingTheTapes: A&E Network/Meridian never released the show's epic music score, no matter how badly fans begged for it. The best fans can do is to rip the sound from [=DVDs=]. There are files to be found on line, but there are some background noises...
* SendingStuffToSaveTheShow: ''Hornblower'' fans (mostly fan girls) organize postcard drives from time to time. Unfortunately to no success, but hope never dies.
* WhatCouldHaveBeen: Creator/PaulMcGann was cast in the adaptation of ''Literature/{{Sharpe}}'', but he broke his leg and the role was re-cast. If that hadn't happened, he would have been shooting ''Sharpe'' and Mr Bush would have been portrayed by somebody else.
* WordOfGod: According to Jamie Bamber, Archie is the third son of Scottish lord. Given his status as a CompositeCharacter, the majority of his backstory is composed of either the actors' and writers' statements about him, or {{Fanon}}.
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