Here are various video testimonials from people like you from all over the world who have potentially experienced a parallel universe.
Home of Parapsychology, Metaphysics, Mythology, and Extrasensory Deceits.
CASE 765: LEIGH ANN SUMMERS
Resides in Nashville, Tennessee, United States.
She is a housewife with her husband Wesley, and a young son Curtis.
According to her testimony, while she was watching a documentary on World War II, the channel suddenly "flickered". And when the channel came back, everything had "flip-flopped".
Her example was that of the United States switching places with Germany.