It was never "officially created". It came into being during the last 20 years of the 19th century.
We Are from Jazz was created in 1984.
Brianne Simmons created Jazz
The Jazz Knights was created in 1972.
Jazz Baby was created in 1919.
Jazz for Peace was created in 2002.
Tijuana Jazz was created in 1965.
Jazz Magazine was created in 1954.
KMB Jazz was created in 2006.
Arabian Jazz was created in 1993.
The Jazz Review was created in 1958.
Baltic Jazz was created in 1987.
Jazz Café was created in 1992.