German reunification refers to the process of merging East Germany and West Germany into a single nation after decades of division. This division began in 1949, following World War II, when the country was split into two separate states: the German Democratic Republic (East Germany) and the Federal Republic of Germany (West Germany). The reunification officially took place on October 3, 1990, after the fall of the Berlin Wall in 1989, which symbolized the end of the Cold War and the desire for unity among Germans. The reunification process involved significant political, economic, and social changes. East Germany transitioned from a socialist system to a market economy, and many East Germans moved to the West in search of better opportunities. The reunification also led to the integration of infrastructure, legal systems, and cultural exchanges, ultimately strengthening the nation as a whole. Today, October 3 is celebrated as German Unity Day, a national holiday commemorating this historic