Besides the Flood of Noah and possibly the Crucifixion of Jesus (going by Thalamus Greek Historian from same time as Christ lived), nothing much that happened by hand of God effected the entire world at one time. We know the Rapture, 7 year Tribulation, and 2nd Coming will. But for the most part, God dealt with single logistic areas.
So it will be interesting to read in the coming days to see if anything unusual did take place outside of maybe crime rate, traffic stops/tickets, issues caused by big gatherings of people.