Complex sentence: In 1871, the Chinese Educatinal Mission brought the first of two groups of 120 Chinese boys to study in the United States, led by Yung Wing, the first Chinese to graduate from an American university.
Split into simpler sentences: In 1871, the Chinese Educational Mission brought the first of two groups of 120 Chinese boys to study in the United States. They were led by Yung Wing, the first Chinese man to graduate from an American university.