Complex sentence: William Blake penned these lines in "Milton a Poem" which was published in 1804, and has become an unofficial anthem of those British who believe Joseph raised the first above-ground church edifice in Christendom when Roman Christians were still meeting in catacombs.
Split into simpler sentences: William Blake penned these lines in "Milton a Poem" which was published in 1804. The poem has also become an unofficial anthem of those British who believe Joseph raised the first above-ground church edifice in Christendom when Roman Christians were still meeting in catacombs.