Complex sentence: It is that which Mr. Bloede proved himself a benefactor not only to the city of Baltimore, but to the nation, and the world, through the work he has done and the influence he has exercised upon his surroundings.
Split into simpler sentences: It is that which Mr. Bloede proved himself a benefactor not only to the city of Baltimore, but to the nation, and the world. Its History and Its People, Clayton Coleman Hall, 1912, Lewis Historical Publishing Company Through the work he did and the influence he has exercised upon his surroundings.