Complex sentence: Ellis was born in Essex in February 1968, about seventeen months before Neil Armstrong landed on the Moon on 20 July 1969; he reports that the televised broadcast of the event is his earliest coherent memory.
Split into simpler sentences: Ellis was born in Essex in February 1968, about seventeen months before Neil Armstrong landed on the Moon on 20 July 1969. Ellis has reported that the televised broadcast of the event is his earliest coherent memory.