Appeared in local amateur theatre productions (with friend Bessie Mae Sue Ella Yaeger) from age five
Founded the Mary Hagman School of Dance, Weatherford, TX (date approximate)
Traveled between Texas (where she sang on radio) to California (where she worked as nightclub singer-dancer)
Discovered by producer Lawrence Schwab at Trocadero nightclub's Sunday night talent show in Los Angeles (date approximate)
Broadway debut, "Leave It to Me"
Won contract with Paramount (date approximate)
Film debut, "The Great Victor Herbert"
Returned to the stage in "Dancing in the Streets" which closed in Boston before reaching Broadway
First starring role on Broadway, "One Touch of Venus" (directed by Elia Kazan) in a role originally tailored for Marlene Dietrich
Returned to Hollywood to reprise her signature song "My Heart Belongs to Daddy" in the whitewashed Cole Porter biopic, "Night and Day"
London stage debut in Noel Coward's "Pacific 1860"
Starred as Annie Oakley (the role originated on Broadway by Ethel Merman) in the national road tour of the Irving Berlin musical "Annie Get Your Gun"
Co-starred opposite Ezio Pinza in the Rodgers and Hammerstein musical "South Pacific"
Starred opposite Ethel Merman in the legendary "Ford Motor Company's 50th Anniversary" TV special
Starred on Broadway in the musical, "Peter Pan"
Starred on Broadway in the musical, "The Sound of Music"
Starred in first Broadway musical flop, "Jennie"
Played Dolly Levi in "Hello, Dolly!" In the US national tour and in Vietman and Tokyo; also starred in the London production (date approximate)
Hosted own TV series "Over Easy"
Was severly injured in San Francisco when a drunken driver crashed his car into the taxi Martin was riding in; the crash took the life of her aide Ben Washer and injured Janet Gaynor and her husband Paul Gregory
Performed at benefits for the San Francisco General whose Trauma Center was renamed in her honor
Made final stage appearance in a national tour of James Kirkwood's bitchy comedy, "Legends" opposite Carol Channing