1939
Eduardo Caso founds the Tucson Arizona Boys Chorus.
1945
Easter sunrise service broadcast from the Grand Canyon over NBC radio.
1955
First European tour.
1960
21/2-month tour of Hawaii, Australia and New Zealand.
1965
Eduardo Caso dies. Jeff Haskell named new director.
1973
British Isles tour of England and Scotland.
1975
New chorus building dedicated. John Davis replaces Jeff Haskell as director.
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1980
Julian Ackerley, pictured, appointed new director.
1987
Performances in China, Hong Kong, Japan and Hawaii.
1989
Eastern European performances in the Soviet Union, Poland, East Germany and West Germany.
1991
Performance at the White House for President George H.W. Bush and Barbara Bush.
1996
European tour, including an appearance at St. Peter's Basilica in Rome.
2004
First visit to the African continent, with 20 major concerts in South Africa.
