Complex sentence: Three years later, at the time of the Golden Jubilee of Queen Victoria, Armstrong was ennobled as Baron Armstrong of Cragside, and became the first engineer and the first scientist to be granted a peerage.
Split into simpler sentences: Three years later, at the time of the Golden Jubilee of Queen Victoria, Armstrong was ennobled as Baron Armstrong of Cragside. He was the first engineer and the first scientist to be granted a peerage.