No World War III until 2019-03-31. Beginning 2019-04-01 until 2019-09-30, WWIII may occur,...
Emphasis mine. Wouldn't a truly omnipotent being be more specific than this? And Lady Gaga may have the #1 song on the pop charts during this same long time frame. Or one a day during that time frame, or an hour. Or JD Martinez may hit safely in every game during that time period.
Here's a certainty, proving I am a far superior predictor than this Ama-come-lately -
A celebrity will die at some time between 2019-04-01 until 2019-09-30. Not may, WILL.
I am willing to bet my house on this. Hell, I'll bet your house as well.