It's not really unusual to see something strange in the sky that you can't explain. However, it's something else entirely when that encounter causes you to lost significant amounts of time that you can't remember. That's exactly what happened during an Illinois UFO encounter this summer.
I'm sure you've already got it in your phone's calendar, but on the outside chance that you don't, I just want to remind you that in addition to this weekend being 4th of July (or, Independence Day) Weekend, this Saturday, July 2nd, is also World UFO Day.
Back in 1991, a Roper Poll asked 6000 or so Americans if they had ever been abducted by aliens. Of the 6000 people surveyed, about 120 answered in the affirmative.