Longyearban, the capital of Svalbard, has 4 months of night and 4 months of day. I believe Earth has always had some axial tilt, so this kind of effect would a

Longyearban, the capital of Svalbard, has 4 months of night and 4 months of day. I believe Earth has always had some axial tilt, so this kind of effect would always have happened near the poles. According the article, "During the Early Cretaceous, southeastern Australia was some of the closest land to the South Pole."