Creation of Mass Organizations.

The NAACP was formed in 1909. One of its founding members was the composer of "Lift Every Voice and Sing" a song that was sung at NAACP meetings and became known as the Black National Anthem.
The ANC was formed in 1913. One of its founding members was the composer of "N'Kosi Sikele Africa" a song that was sung at ANC meetings and became known as the Black National Anthem. It finally becamse the National anthem of South Africa when Mandela was elected President in 1994.