Complex sentence: In 1981 it was called the Arlington Million Invitational Stakes; from 1982 through 1984 it was known as the Budweiser Million Stakes, and the Budweiser-Arlington Million from 1985 through 1987.
Split into simpler sentences: In 1981 it was called the Arlington Million Invitational Stakes. From 1982 through 1984 the race was known as the Budweiser Million Stakes and in turn the Budweiser-Arlington Million from 1985 through 1987.