Complex sentence: The Assyrian king Adad-nirari I (r.1307--1275 BCE) used to display this sword during ritual ceremonies, and such curved swords could be seen in Mesopotamian art and paintings.
Split into simpler sentences: The Assyrian king Adad-nirari I (r.1307--1275 BCE) used to display this sword during ritual ceremonies. Such curved swords could be seen in Mesopotamian art and paintings.