Claim: World War I involved the Allies fighting Germany and Austria-Hungary.

The Central Powers -LRB- Mittelmächte Központi hatalmak İttifak Devletleri or Bağlaşma Devletleri Централни сили Tsentralni sili -RRB- , consisting of Germany , , the Ottoman Empire and Bulgaria -- hence also known as the Quadruple Alliance -LRB- Vierbund -RRB- -- was one of the two main factions during World War I -LRB- 1914 -- 18 -RRB- . It faced and was defeated by the Allied Powers that had formed around the Triple Entente , after which it was dissolved .   The Powers ' origin was the alliance of Germany and Austria-Hungary in 1879 . The Ottoman Empire and Bulgaria did not join until after World War I had begun .