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100
Istanbul is created
Istanbul was inhabited as early as 3000 BCE. -
World War I
Russian and Serbian alliances caused the Great War. -
Blitzkrieg was first used
Military tactic meaning lightning warfare first used by Germany against Poland. -
World War II
Germany was not happy with the coinsequences of World War I. -
Became the center of the Greek Orthodox Church
Hağia Sophia placed in Constantinople -
Orthodox spreads
After Hağia Sophia was built Orthodoxy spread.