Original sentence: Denison (October 1 1815–February 19 1900) was a Methodist pastor; the first President of Kansas State University; and a founder of Manhattan, Kansas, having volunteered to go to Kansas Territory with the New England Emigrant Aid Company in 1855 to fight against the extension of slavery
Edited sentence: Denison (October 1 1815 – February 19 1900) was a Methodist pastor; the first President of Kansas State University; and a founder of Manhattan, Kansas, having volunteered to go to Kansas Territory with the New England Emigrant Aid Company in 1855 to fight against the extension of slavery