Complex sentence: A chapel building was erected in 1876 and John Armstrong succeeded Wilson and assumed the title of college president, until August 12,1879, when he died suddenly.
Split into simpler sentences: A chapel building was erected in 1876 and John Armstrong succeeded Wilson and assumed the title of college president. The first president of the college was John Armstrong, who served from 1877 to August 12,1879, when he died suddenly.