Greater Somalia beginning of the 20th century the concept of "Greater Somalia" started to be developed with the birth of the nation of Somalia, as a united country inhabited by all the Somali clans in their "Horn of Africa" areas. "Pan-Somalism" refers to the vision of reunifying these areas to form a single Somali nation. The pursuit of this goal has led to conflict: Somalia engaged after World War II in the Ogaden War with Ethiopia over the Ogaden region, and supported Somali insurgents against Kenya. Italians occupied the Benadir in 1890 and soon started to enlarge their "Somalia italiana" (Italian Somaliland):
Hiran, Somalia the bread baskets of somalia it is also the only undivided region since it was formed : Hiran, Somalia Hiran (, ) is an administrative region ("gobol") in central Somalia. Mainly inhabited by the Xawaadle clan which is a subclan of Hawiye. Hiran is bordered by the Somali Region of Ethiopia to the northwest, as well as the Somali provinces of Galgudud to the northeast, Middle Shebelle (Shabeellaha Dhexe) to the south, Lower Shebelle (Shabellaha Hoose) to the southwest, and Bay and Bakool to the west. And approximetly has 90,000 km square. The Shebelle River flows into Hiran from Ethiopia,