Complex sentence: It is not known when the tomahawk chop was invented however, it is claimed by a former Florida State University president that it was invented by the Florida State University Marching Chiefs in the 1980s to compliment their war chants.
Split into simpler sentences: It is not known when the tomahawk chop was invented. However, it is claimed by a former Florida State University president that it was invented by the Florida State University Marching Chiefs in the 1980s to compliment their war chants.