Complex sentence: The obelisk was carved and erected in during the 4th century by builders of the Kingdom of Aksum, an ancient Ethiopian civilization, and is named after King Ezana, the first monarch of Axum to embrace Christianity.
Split into simpler sentences: The obelisk was carved and erected in the 4th century by builders of the ancient Kingdom of Aksum. It is named after King Ezana, the first monarch of Axum to embrace Christianity.