Postage stamps and postal history of Biafra from the 1965 issue were issued overprinted with the Biafran coat of arms and the words SOVEREIGN BIAFRA. The 1/2d and 1d values from the same 1965 Nigeria series also exist surcharged with new values and overprinted BIAFRA-FRANCE FRIENDSHIP 1968 SOVEREIGN BIAFRA</small> but these stamps are not believed to have been used for postage. A number of further stamps were issued in 1968 and 1969 inscribed BIAFRA or REPUBLIC OF BIAFRA, including miniature sheets, further overprints and stamps ostensibly issued to raise funds for charity. Postage stamps and postal history of Biafra This is a survey of the postage stamps
History of cricket in South Africa from 1970–71 to 1990 History of cricket in South Africa from 1970–71 to 1990 This article describes the history of South African cricket from 1971 to 1990. Following the D'Oliveira affair in 1968, feeling against South Africa's application of apartheid to sport grew to the extent that by 1971 the country was isolated in sporting terms. Its last Test series for 22 years had taken place against Australia in 1969–70. For a description of South African cricket in the years of isolation, see: International cricket in South Africa from 1971 to 1981. Nelson Mandela was released from Victor Verster Prison in Paarl on 11