The following sports came into effect as follows: Baseball, the 440-yard dash, mile run, high hurdles and pole vault in 1889. Football was recognized as an official league sport in 1894. The two mile run and discus in 1912 and the javelin replaced the hammer throw in 1913. Basketball became a league sport in 1911. Cross country was introduced in 1922 while golf was in 1934. Wrestling was introduced in 1969, but then was dropped in 1981. Soccer in 1970 and swimming in 1971.