Origin of the East African Community:Origin of the East African Community. Its origin can be traced back to 1902- the efforts of the British and German colonial governments’ to establish a unified administration over the East African territories. For example, the East African Court of Appeal was established in 1902, The East African Postal Union in 1911, East African Customs Union in 1917, East African Currency Board in 1920 And East African High Commission in 1948. On 9th December 1961, the East African High Commission was replaced with the East African Common Services Organization with the headquarters in Nairobi. The organization began in 1967.