Rubuta ci gaba don wannan sakin layi - Bayan ƙarshen kwanaki 1,260, kuma kafin 1844, abubuwa da yawa masu muhimmanci sun faru. A shekara ta 1755 wata babbar girgizar ƙasa
Ya kai Lisbon. A ranar 19 ga Mayu, 1780, arewa maso gabashin Amirka ta fuskanci rana ta duhu mai ban mamaki da wata mai launin jini ya biyo baya a daren. A ranar 13 ga Nuwamba, 1833, wani ruwan sama mai ban mamaki na Leonids ya faru. Wadannan abubuwa guda uku an yi tunanin su ne cikar, shirya hanya don abubuwan da suka faru na karshe na tarihi.