Nostradamus made over one thousand predictions and historians say that over half of them have already come true.
Let the interpreting begin. Assuming "the City of God" is New York City, then the "two brothers torn apart by Chaos" must be the fallen towers of the Word Trade Center. The "fortress" is clearly the Pentagon, the "great leader" succumbing to Chaos must be the United States of America, and "the third big war" can only mean World War III as there has only been two big wars in the past. Spooky, right?