Complex sentence: The UN and the communists finally signed the Armistice Agreement on July 27 1953, ending the fierce fighting which had continued for two years even as negotiations dragged on in a ceasefire.
Split into simpler sentences: The UN and the communists finally signed the Armistice Agreement on July 27 1953. The fierce fighting which had continued for two years even as negotiations dragged on, finally came to an end in a ceasefire.