Postage stamps and postal history of Nigeria the British Commonwealth and a new definitive set was issued on 1 November 1965. Between 1960 and 1961 Nigerian definitives of 1953-57 were overprinted "CAMEROONS/U.K.T.T." for use in Southern Cameroons of the British Mandate territory of British Cameroons. This issue was also valid for use in Northern Cameroons until it joined Nigeria. In 1961, Southern Cameroons became part of Cameroon. Between 30 May 1967 and 15 January 1970, the region of Biafra attempted to secede from Nigeria and issued their own postage stamps. Eventually, after a bloody civil war they rejoined Nigeria. Postage stamps and postal history of Nigeria This
Commission for Independent Research and Information on Radioactivity Commission for Independent Research and Information on Radioactivity The Commission for Independent Research and Information on Radioactivity (actual name, Commission de Recherche et d'Information Indépendantes sur la Radioactivité, or CRIIRAD) is a French NGO which specializes in the analysis of radioactivity in the environment. It was created in the aftermath of the Chernobyl catastrophe on April 26, 1986. It revendicates "being independent from nuclear exploitants, the state and all political parties". The CRIIRAD has an analysis laboratory, equipped for identification of radioactive contamination (food, water, etc.), which has been delivered the technical qualification certificate by the Health minister. It operates