27 July – Prime Minister Mia Mottley announced on the Day of National Significance in Barbados that her cabinet had decided that Barbados would become a parliamentary republic by 30 November, and accepted the recommendations of the Forde Commission[1]
20 September – Constitution (Amendment) Bill 2021 was introduced to Parliament[2]
28 September – the House of Assembly passed the Constitution (Amendment) Bill 2021[3]
12 October – incumbent Governor-Genera Sandra Mason was jointly nominated by Prime Minister Mottley and Joseph Atterley, leader of the opposition, as candidate for the first president of Barbados[5]
30 November – Barbados becomes a republic,[1] Dame Sandra Mason becomes president, replacing Elizabeth II as head of state.[6]