Complex sentence: Sigma Beta Rho's pronouncement, however, occurred upon the establishment of its Beta Chapter at Binghamton University on August 22,1998, and in the same year the fraternity incorporated under the State Department of New York.
Split into simpler sentences: Sigma Beta Rho's pronouncement, however, occurred upon the establishment of its Beta Chapter at Binghamton University on August 22,1998. That same year the fraternity incorporated under the State Department of New York.