On February 22, 1972 a faction loyal to Ange Diawara attempted a coup against President Marien Ngouabi. Joachim Yhombi-Opango was instrumental in ending the coup. After more than a year of evading capture Diawara was ambushed and killed by forces loyal to Ngouabi.
- ^ a b Lentz, Harris M. (2013). Heads of States and Governments Since 1945 (3rd Edition). Routledge. p. 193. ISBN 1-884964-44-3.
- ^ Clark, John Frank; Samuel Decalo (2012). Historical Dictionary of Republic of the Congo (Fourth Edition). Scarecrow Press. p. 122. ISBN 978-0-8108-4919-8.