21. African troops mutinied against their Belgian officers and went on a rampage in the capital of Leopoldville , now known as Kinshasa. 22. Instead of arguing against UN involvement in the Congo, the Soviets began to provide aid to Prime Minister Lumumba in Leopoldville . 23. One such conversion was performed in Congo-Leopoldville in 1965, using an Oerlikon GAI 20 mm anti-aircraft gun. 24. Similarly, as all European-derived place names were replaced with African names, the capital, Leopoldville , was renamed Kinshasa. 25. 1960 _ The first group of Canadian army signallers assigned to UN troops in the Congo left Canada for Leopoldville . _ __ 26. The earliest existing sample of HIV was found in a blood specimen obtained in Leopoldville -- now Kinshasa-- in 1959. 27. Nathan and Leah go to Leopoldville ( present day Kinshasa ) to witness what is going on with the independence in the Congo. 28. In 1956, a Greek businessman, Dino Antonopoulos, sought to start a new music publishing firm in Leopoldville ( Kinshasa ). 29. The 1959 sample came from a Bantu man who lived in Leopoldville , Belgian Congo ( now Kinshasa in the Democratic Republic of Congo ). 30. Belgian troops intervened in Elisabethville and Luluabourg ( 10 July ), Matadi ( 11 July ), Leopoldville ( 13 July ) and elsewhere.