Other European visitors followed in the 19th century. The most prominent of these was David Livingstone, who had a vision of ending the slave trade through the "3 Cs": Christianity, Commerce, and Civilisation. He was the first European to see the magnificent waterfalls on the Zambezi River in 1855, naming them the Victoria Falls after Queen Victoria of the United Kingdom. He described them thus: "Scenes so lovely must have been gazed upon by angels in their flight".