Start in 1946 with begining od Cold War one of the uncertain times. Become a Nuclear Power or start a space race. Go through the Decolonization, European Integartion, Revolts in South America and Africa, Divided world between East and West. Stand on the NATO side or the Warsaw Pact or be neutral.
Will there be an event, that unites west germany?
Yes of course
yes by different focus focuses and events
1949 wasn't there Germany already refounded?
Mod starts in 1946 German states was released in 1949