1919 William Andrews Clark Jr., multimillionaire and amateur musician, establishes city’s first permanent symphony orchestra. Walter Henry Rothwell of the St. Paul, Minn., Symphony Orchestra conducts premiere performance before capacity audience of 2,400 at Trinity Auditorium.

1920Philharmonic Auditorium, on northeast corner of Fifth and Olive, becomes Phil’s home for next 44 years.

1922L.A. Philharmonic inaugurates Hollywood Bowl as its summer home.

1927Georg Schneevoigt, former principal cellist of Helsinki Philharmonic Orchestra who had conducted throughout Europe, takes first U.S. post as L.A. Philharmonic conductor.

1929Artur Rodzinski, who studied law as well as music in Poland, is named conductor after working in Philadelphia with Leopold Stokowski. After L.A., he would become conductor and music director of Cleveland, New York and Chicago orchestras.

1933Otto Klemperer, leading conductor in Germany known for premiering new works, takes over.

1943Alfred Wallenstein, who was raised in Los Angeles, one of first Americans to take over a U.S. orchestra when named conductor for the L.A/ Phil. He would premiere 47 works during 13 years.

1956Eduard van Beinum named conductor. His universal popularity with band members unsurpassed until the arrival of Esa-Pekka Salonen.

1956L.A. Phil embarks on first international tour.

1962Zubin Mehta starts 16-year term as conductor.

1964The L.A. Phil moves into Dorothy Chandler Pavilion.

1969Ernest Fleischmann begins 29-year run as executive director of orchestra.

1978Mehta leaves to take over New York Philharmonic. Opera specialist Carlo Maria Giulini named conductor.

1985Andre Previn named conductor.

1987Lillian Disney donates $50 million for the construction of new hall. She stipulates that groundbreaking occur by 1992; Frank Gehry hired as architect.

1988Gehry unveils hall’s design.

1992Finland-born Esa-Pekka Salonen, music director of Swedish Radio Symphony Orchestra, named conductor.

1996L.A. Phil announces joint venture with directors and film composers called Filmharmonic. It bears one work.

1998Willem Wijnbergen takes over for retiring Fleischmann, though his tenure ends abruptly and mysteriously in 1999.

1999Construction of Walt Disney Concert Hall begins.

2000Deborah Borda of New York Philharmonic takes over as exec VP-managing director of L.A. Phil Assn.

2001Commencement of installation of stainless-steel panels on exterior of Concert Hall; first concrete pour of roof of main hall and erection of precast concrete acoustical panels.

June 30, 2003L.A. Phil has its first rehearsal in Disney Concert Hall.

Oct. 16First concert at hall — a special event for schoolchildren.

Oct. 23$274 million Walt Disney Concert Hall opens with first of three galas.

Oct. 29Redcat, CalArts performing space in WDCH, opens.