After the survival of their first apocalypse, Brandenburg-Pruebens had a vote on what new flag they'd like.
There was 4 choices, all based off of their old flag.
Results:
Eagle of the Birds: 86% Voted For
Eagle of the Germans (Prussian flag): 7% Voted For
Soul of the Kaiser: 4% Voted for
Black and White Union: 3% voted for.
In the end, Eagle of the birds won.
This is the flag they all chose.
"These Eagles of the Birds, strikes faith into the population of the nation." -Konig of Brandenburg-Pruebens