In Norse mythology, the event marking the end of the world is known as Ragnarök. This cataclysmic series of events involves the death of gods, the end of the world, and the eventual rebirth of the earth. Ragnarök signifies the struggle between order and chaos, showcasing the inevitability of fate and the cyclical nature of time. It reflects profound themes of renewal, sacrifice, and transformation, highlighting the complex interplay between destruction and creation inherent in Norse cosmology.