Complex sentence: Enola; or, Her fatal mistake is a 1886 book written by Mary Young Ridenbaugh, notable for being the inspiration, indirectly, for the naming of the Enola Gay, the B-29 bomber that dropped the first atomic bomb on Hiroshima.
Split into simpler sentences: Enola; or, Her fatal mistake is an 1886 book written by Mary Young Ridenbaugh. It is notable for being the inspiration, indirectly, for the naming of the Enola Gay, the B-29 bomber airplane which dropped the first atomic bomb on Hiroshima.