Complex sentence: St Peter upon Cornhill is an Anglican church on the corner of Cornhill and Gracechurch Street in the City of London Of medieval origin, it was destroyed in the Great fire of London in 1666 and rebuilt to the designs of Sir Christopher Wren.
Split into simpler sentences: St Peter upon Cornhill is an Anglican church on the corner of Cornhill and Gracechurch Street in the City of London of medieval origin. It was destroyed in the Great Fire of London in 1666 and rebuilt to the designs of Sir Christopher Wren.