The first African-American woman to be elected a diocesan bishop succeeded a woman who annouced her retirement during what convention?
Catherine Waynick:  At the 2015 Diocesan Convention, Bishop Waynick announced plans to retire, and called for the election of a new bishop to be consecrated in 2017. Catherine Waynick:  She was succeeded by Jennifer Baskerville-Burrows on April 29, 2017.
i don't know