> Anyway, this is somewhat removed from the point of this post, which is to ask: why do so many countries choose red, white and blue as their national colours? Although I only know of Britain and the USA as countries who use the colours themselves, independent of their flags, to represent their countries, there is still a big list of countries whose national flags consist of nothing but these three colours.
>
> The countries that I could find with this particular quirk are:
>
> Australia
> Bouvet Island (no idea where it is, but it's got the Norwegian flag)
> Burma (I think)
> Cambodia (not sure, but it looks like it)
> Cocos Islands (Australian flag)
> Cook Islands
> Costa Rica
> Croatia (pretty much)
> Cuba
> Czech Republic
> Dominican Republic (might be orange, not red)
> Faroe Islands
> France
> French Guiana
> French Southern Territories
> Guadeloupe
> Haiti (excepting the central crest)
> Heard and McDonald Islands (Australian flag)
> Iceland
> North Korea
> Laos
> Liberia
> Luxembourg
> Mayotte (where the hell's that?)
> Myanmar
> Nepal
> Netherlands
> Netherlands Antilles
> New Caledonia
> New Zealand
> Norway
> Panama
> Paraguay (excepting the small central crest)
> Puerto Rico
> Reunion
> Russia
> Samoa
> Slovak Republic
> Slovenia
> Svalbard and Jan Mayen Islands
> Taiwan
> Thailand
> Tokelau (New Zealand flag)
> Turks and Caicos Islands (New Zealand flag)
> United Kingdom
> United States
> Wallis and Futuna Islands (French flag)
> Yugoslavia

There are also quite a lot of countries that use white and blue, or white and red.

White and blue:
Finland
Greece
Israel
San Marino
Uruguay

White and red:
Austria
Canada
Denmark
Monaco
Philippines
Switzerland

There's bound to be more. Those came to my head.
I know of no country that would use red and blue, though. Even Liechtenstein has that yellow crown in the corner.