1898

  First Carnaval organized with parades, floats and kings

1899

  Creation of the first Carnaval Committee responsible for its organization

1900

  Winnie Farmer is the first Queen of Carnaval

1904

  First Saturday burial of Bad Humor

1906

  First Juegos Florales (Flower Games)

1921

  First election of a Child Queen of Carnaval

1925

 Poetry becomes part of the Juegos Florales. Alejandro Hernandez Tyler wins  the prize with his "Tower of Babel"

1929

  Juegos Florales becomes a Carnaval Friday event, before burning of Bad Humor

1930s

  First ship-to-shore battle fought in fireworks

1937

  Clemencia Isaura Prize for Poetry becomes fixture of Juegos Florales with reign of queen Ana Maria Alatorre

1943

  Tradition of Carnaval Kings ends

1950s

  Beginning of Costume Balls in the Club Tamar

1950

  Autonomous Carnaval Patrons Committee created by municipal decree

1956

  New parade route initiated with paving of seaside avenues Olas Altas & Paseo Claussen

1960

  First use of bottle caps as means of voting for queens

1961

  Anita de Rueda elected Queen of Carnaval by bottle caps (also used in 1962, 1972 & 1997)

1964

  Mazatlan Prize for Literature instituted

1965

  Jose Gorostiza wins Mazatlan Prize for Literature for "Muerte sin fin"

1965

  Adolfo Tio Pifas is first King of Joy to be crowned

1965

  Tradition of costume balls begins in the Casino de Mazatlan (until 1979)

1975

  Creation of CODETUR replacing the Patrons’ Committee

1979

  Last costume ball in the Casino de Mazatlan

1984

  Revival of costume balls for three more successful years in La Pergola

1992

  Costume balls suspended

1996

  Antonio Lopez Saenz Prize for Painting created

1997

  First Evening of the Arts

2004

  Two authors share the Mazatlan Prize for Literature for the first time in history, the Mazatlan writer Juan Jose Rodriguez and Ignacio Solares of Chihuahua