It always feels weird to me to separate the United States (and other post-colonial states made up of mostly white people) from the other European powers. Yes, they weren't technically in Europe, but for all intents and purposes they might as well have been.
It might be that the birds fled from either the lights in the sky or the zombies, or the government is specifically culling them because they're a transmitter of the zombie virus
While I'm not going to say that it's impossible for a guy to gain power by claiming relation to a family that's been out of power (and possibly entirely extinct?) for 450+ years, that's basically how the Fatimids gained power after all, it's extremely unlikely, with pretender claims more or less...
I had someone else suggest the name to me. I was originally going to go with "the Submissives," but for... Certain reasons, that might be a bit insensitive to call a real world religion. Instead I'm going to pocket that name for some weird American Puritanical Christian group
The Obsequorians (Arabic: ۘالِإسْلَام, al-ʾIslām, lit. “Submission” [to the will of God], also known as the Muhammadans) are a religious group originating in Arabia in the 600s. Although commonly believed by Evandrians to be a branch of non-Trinitarian Christianity, they’re insistent that...
A world in which the Caliph Umar failed to break out of the Arabian Peninsula, leaving Islam stuck in Arabia (although it would later travel via merchants to East Africa and South/South East Asia, and perhaps beyond). Centuries later, the Turks would still arrive in the eastern Mediterranean...
Honestly, I think I prefer the 2012 version because it's willing to follow the contours of the continental plates at the expense of country shapes, which leads to cool scenarios like the maritime Iran and China having a random colony in the south.