If you don't know what a timeslip is, watch this 
about three soldiers on patrol who suddenly found themselves in the town they needed to be, but at a seemingly totally different moment in time. One such event may be an anomaly, but on the timeslip acrosstic page you will find a few more examples in the video.
Time is a very weird concept, as essentially it never was before we defined time. As I always say, by inventing time mankind got stuck between the rock of the past and the hard place of the future. Only in the present do we find the true presents of life! And yes, that was something I learned the hard way too...