Complex sentence: Toy was presented the medal in a public ceremony, which Harper's Weekly posted the article he also attained the rank of first sergeant by the time his Medal of Honor was awarded on May 26,1891.
Split into simpler sentences: Toy was presented the medal in a public ceremony, which was featured in Harper's Weekly. He also attained the rank of first sergeant by the time his Medal of Honor was awarded on May 26,1891.