Complex sentence: In 1972, Hurricane Agnes caused extensive flooding in the city, not the last time the lower precincts of Reading were inundated by the Schuylkill River as a similar, though not as devastating, flood occurred during June 2006.
Split into simpler sentences: In 1972, Hurricane Agnes caused extensive flooding in the city, not the last time the lower precincts of Reading were inundated by the Schuylkill River. A similar, though not as devastating, flood occurred during June 2006.