Siege of Saïo the Italian dictator, Benito Mussolini, proclaimed the colony of "Africa Orientale Italiana" (AOI, Italian East Africa), formed from Ethiopia (after the Italian victory in the Second Italo-Ethiopian War, fought 3 October 1935 – May 1936) and the existing Italian possessions of Italian Eritrea and Italian Somaliland. On 10 June 1940, Mussolini declared war on Britain and France, which made Italian military forces in Libya a threat to Egypt and those in Italian East Africa a danger to the British and French colonies in East Africa. Italian belligerence also closed the Mediterranean to Allied merchant ships and endangered British supply routes
Adolph Cornelis van Bruggen impossible when the former Dutch colony declared independence on 27 December 1949. Since Dolf had a firm interest in the tropics, the van Bruggens decided to move to Africa instead. They sailed to South Africa, stopping on their way at the remote Atlantic island of St Helena, in May 1957. Dolf had to make breakneck manoeuvres to reach the shore with a ‘klepdoos’ (a sweeping separator), thought by fellow-travellers to be a Geiger counter. In South Africa, Dolf had accepted a job at the Ministry of Agriculture in Pretoria. There he was charged with the study of insects and the