Complex sentence: Upon visiting his hometown of Schmieheim Germany in the early 20th Century, he discovered the village had no running water, and made a large contribution to improve the situation--enabling the town to install its first plumbing system.
Split into simpler sentences: Upon visiting his hometown of Schmieheim Germany in the early 20th Century, he discovered the village had no running water. He made a large contribution, enabling the town to install its first plumbing system.