For example:
1. Religious Cosmology: Many religions have creation myths or narratives that describe the creation of the world by a divine being or beings. For example, the Christian Bible describes God's creation of the world in the Book of Genesis.
2. Philosophical Cosmology: In philosophy, there are various ideas about the origin of the universe, including the Big Bang theory in modern cosmology, which suggests that the universe originated from a singularity about 13.8 billion years ago.
3. Cyclic Cosmology: Some ancient and contemporary cosmological models propose that the universe undergoes cycles of creation and destruction, with each cycle giving rise to a new world or universe.
4. Artistic or Metaphorical Interpretations: In artistic and literary contexts, the creation of a world can refer to the process of imagining or crafting fictional worlds or realities, as in the case of fictional novels, movies, or virtual reality experiences.
It's essential to recognize that the question of "when was a world created?" is often rooted in specific cultural, religious, philosophical, or artistic perspectives, and there is no single definitive answer that applies to all contexts and belief systems.