How about a simple matter of getting some cinema times wrong? A bit of a nusciance perhaps, but not particularly significant? A few years ago I was part of a church that was handing out tracts at the local cinema to people coming out of Mel Gibson's movie The Passion of the Christ. However, one man misread the cinema times. He ended up handing out tracts to people coming out of the cinema, saying "This might help explain what you've just seen". The problem was he was handing them to people coming out of Scooby Doo 2! There may well be those rejoicing around the throne of Jesus in the new creation all because they made the fairly insignificant choice to watch see Scooby Doo 2, and because one man failed to read a few numbers correctly.
There is no such thing as coincidence because God is a God who rules over all things. Because God is providentially working in all things there is no such thing as an insignificant event.