Complex sentence: The ship was laid down in December 1854, and launched on 26 June 1855 under the name "Esmeralda", after the frigate captured by Thomas Cochrane during the Chilean War of Independence.
Split into simpler sentences: The ship was laid down in December 1854, and launched on 26 June 1855. She was named "Esmeralda" after the frigate captured by Thomas Cochrane during the Chilean War of Independence.