The Sydney Mardi Gras parade began in 1978 as a march and commemoration of the 1969 Stonewall Riots of New York. It is an annual event promoting awareness of gay, lesbian, bisexual and transgender issues and themes Photograph: Lisa Maree Williams/Getty Images
The Sydney Mardi Gras was inspired in 1978 because of the Stonewall Riots of New York.
The statement was incorrect because it was actually inspired in 1969. I think it the system didn't associate the dates with the events.