&date=September 23& &year1="1938"& ©1="The Brave Little Tailor" is released (Mickey)& &year2="1949"& ©2="Goofy Gymnastics" is released& &year3="1955"& ©3="Up a Tree" is released (Donald)& &year4="1980"& ©4=Big Thunder Mountain Railroad attraction opens in the Magic Kingdom at Walt Disney World& &ready=ready&