- 1942: Her father died during the Second World War when his ship was struck by a torpedo.
- 1951: While studying A Levels, Betty became pregnant.
- 1953: Betty married her love Robert Campbell.
- 1960: She was one of the first women to attend Cardiff Teacher Training College.
- 1963: Betty qualified as a teacher.
- 1970s: She was appointed the first Black headteacher in Wales.
- She delivered lessons to her students on slavery, the history of Black people and the apartheid system in South Africa.
- 1990s: Betty was appointed to the Home Office's racial advisory committee and the Commission for Racial Equality.
- 1991–95: She was elected as an independent councillor for Butetown on Cardiff Council.
- 1998: She received an invitation to meet Nelson Mandela during his only visit to Wales.
- 2003: She received an MBE for her service to education and community life.
- 2007: Played a key role in launching Black History Month Wales.
- 2019: BBC Wales held a public vote on who should be represented by the first statue of a woman in Cardiff.
- 2021: The statue of Betty Campbell was unveiled by sculptor Eve Sheppard, outside the BBC headquarters in Cardiff.
‘A true pioneer and an inspiration to other black people and ethnic minorities.’ – Carwyn Jones, former First Minister of Wales