Complex sentence: As a result, they protested against segregation on public transportation when got to Mississippi Robert, his wife, and the other riders were arrested on July 30,1961 and sent to Parchmen Penitentiary.
Split into simpler sentences: As a result, they protested against segregation on public transportation. On July 30,1961, when they got to Mississippi, Robert, his wife, and the other riders were arrested and sent to Parchmen Penitentiary.