On April 27, 1994, South Africa held its first multiracial elections, marking the end of apartheid. Nelson Mandela was elected as the first black President. The transition to democracy was a significant milestone in the decolonization process, symbolizing the end of institutionalized racial segregation.

Namibia gained independence from South African administration on March 21, 1990, following a lengthy liberation struggle led by the South West Africa People's Organization (SWAPO). The transition was facilitated by United Nations Resolution 435, and Sam Nujoma became the first President.

Zimbabwe, formerly known as Rhodesia, gained independence from British colonial rule on April 18, 1980. Robert Mugabe became the first Prime Minister. The transition followed a long liberation struggle and negotiations at the Lancaster House Agreement, marking the end of white minority rule.

Angola gained independence from Portugal on November 11, 1975, following a protracted liberation struggle. The transition was marked by a civil war among rival factions, which continued for decades. The Popular Movement for the Liberation of Angola (MPLA) emerged as the ruling party.

Zambia gained independence from British colonial rule on October 24, 1964. Kenneth Kaunda became the first President of Zambia. The country's independence was part of a broader wave of decolonization in Southern Africa, and it played a significant role in supporting liberation movements in neighboring countries.

The Organization of African Unity (OAU) was established on May 25, 1963, in Addis Ababa, Ethiopia. The OAU aimed to promote unity and cooperation among African states and support the decolonization process. It played a crucial role in mediating conflicts and fostering economic development.

Rwanda gained independence from Belgium on July 1, 1962. The transition to independence was marked by ethnic tensions between the Hutu and Tutsi populations, which would later lead to significant conflict. The country became a republic with Grégoire Kayibanda as its first President.

Tanganyika, now part of Tanzania, gained independence from British colonial rule on December 9, 1961. Julius Nyerere became the first Prime Minister and later the President. Tanganyika's independence was part of a broader wave of decolonization across East Africa.

Gabon declared its independence from France on August 17, 1960. The transition was peaceful, and Léon M'ba became the first President of Gabon. The country maintained close ties with France, which influenced its post-independence political and economic landscape.

The Democratic Republic of the Congo gained independence from Belgium on June 30, 1960. The transition was marked by political instability and violence, leading to the Congo Crisis. Patrice Lumumba became the first Prime Minister, but his government faced significant challenges.

Ghana became the first sub-Saharan African country to gain independence from colonial rule. Under the leadership of Kwame Nkrumah, Ghana's independence marked a significant milestone in the decolonization of Africa, inspiring other nations to pursue self-governance.