Complex sentence: The archaeology collection has close to a million objects that date from around 500,000 BC to the 20th century and includes the Coppergate Helmet, discovered in York in 1982, and the Ormside Bowl, an intricate example of work by an Anglian silversmith.
Split into simpler sentences: The archaeology collection has close to a million objects that date from around 500,000 BC to the 20th century. Significant object include the Coppergate Helmet, discovered in York in 1982, and the Ormside Bowl, an intricate example of work by an Anglian silversmith.