Complex sentence: In 2004, Haldum Church became known as an archaeological site when the Moesgård Museum conducted excavations in the area surrounding the churchyard, which notable Viking Age and Early Medieval period findings.
Split into simpler sentences: In 2004, Haldum Church became known as an archaeological site when the Moesgård Museum conducted excavations in the area surrounding the churchyard. This project yielded notable Viking Age and Early Medieval period findings.