APP The first Arbor Day took place on April 10, 1872 in Nebraska. It was the brainchild of Julius Sterling Morton （1832-1902）， a Nebraska journalist and politician originally from Michigan. Throughout his long and productive career, Morton worked to improve agricultural techniques in his adopted state and throughout the United States when he served as President Grover Clevelands Secretar （共 2708 字） [阅读本文] >>
