I had originally tried that, however it just looked too British. I feel that this is a nice blend, as it appears equally British and French. I don't think it's too confusing, and it's far from the most complicated one out there...While it has a cool effect, the switching of the colors of the crosses make it a bit...confusing. Maybe if you kept the red and the white of the British flag, but replaced the blue background with the French tricolor, that would work.
While that flag is cool, it gave me a Polygon episode
The current flag of Nordholm, my town in Animal Crossing: New Leaf.
While its flag is always a Nordic Corss, the colors change based on the season, the below is the Summer Flag;
Note that the colors don't match 100% as I was making it by eye and thus can't get the colors exactly the same.
I liked the idea. Can you post the flags for the remaining seasons?
Magyar migration divides in 2 - 1 heads south into Caucausus and Anatolia, the other heads west as OTL into the Pannonian Plain.
ATL however the second group, being fewer in number, get absorbed into the Avar Khaganate .
The Slavic dialects thus get a further boost as a lingua franca until the country evolves into the christian slavic  kingdom known as the Avorak Stephanate 
 becoming a sort of Pannonian Bulgaria
 albeit with Turkic and Magyar influence
 a stephan being roughly a high king and an ATL replacement for the word kagan
So, is this a Slavic kingdom in Avaria or a heavily Slavic-ised Magyar kingdom in Anatolia?
Thanks. Looking at Balkan history I'm rather surprised it didn't catch on. Most of the Kings - especially the Serbians - used Stephan as a royal additional name on being crowned.Nice flag, and nice concept, that of Stephan as a title.
Sorry if it was unclear. It's basically a Slavic Hungary - the fewer Magyars get absorbed into the increasingly Slavic Avaria. A Pannonian Bulgaria if you will.
Thanks. Looking at Balkan history I'm rather surprised it didn't catch on. Most of the Kings - especially the Serbians - used Stephan as a royal additional name on being crowned.
So I always use it for ATLs in the region.
As a bonus it also replaces the OTL words derived from the name of Carolus Magnus