Regatta is an event not a colour
The plural of regatta is regattas.
Poughkeepsie Regatta was created in 1895.
Madison Regatta was created in 1950.
Sonning Regatta was created in 2000.
Egham Regatta was created in 1909.
Chertsey Regatta was created in 1851.
Molesey Regatta was created in 1867.
Metropolitan Regatta was created in 1866.
Kingston Regatta was created in 1857.
Barcolana regatta was created in 1969.
The Regatta Mystery was created in 1939.
Maidenhead Regatta was created in 1893.