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| YEAR | DATE | EVENT | PRESIDENT | PRIME MINISTER | GOVERNOR |
| 1630 | Part of Ottoman Saudi Arabia | ||||
| 1830 | Sayyid Muhammad al-Barr | ||||
| 1841 | Ali Haji Sirmaki bin Salih (I) | ||||
| 1855 | Abu Bakr bin Muhammad (I) | ||||
| 1857 | Ali Haji Sirmaki bin Salih (II) | ||||
| 1861 | Abu Bakr bin Muhammad (II) | ||||
| 1874 | Rauf Pasha | ||||
| 1877 | Union to Egypt | ||||
| 1889 | 3 august | Italian protectorate | Vincenzo Filonardi | ||
| 1897 | Ernesto Dulio | ||||
| 1897 | Giorgio Sorrentino | ||||
| 1898 | 25 may | Emilio Dulio | |||
| 1905 | 16 march | Italian colony | Luigi Mercatelli | ||
| 1906 | Giuseppe Salvago Raggi | ||||
| 1907 | T. Carletti | ||||
| 1910 | 1 july | Italian crown colony | Giacomo De Martino | ||
| 1916 | Giovanni Cherina-Ferroni | ||||
| 1920 | 21 june | Carlo Ricci | |||
| 1923 | 8 december | Cesare Maria De Vecchi | |||
| 1928 | 1 june | Guido Corni | |||
| 1931 | 1 july | Maurizio Rava | |||
| 1935 | 6 march | Rodolfo Graziani | |||
| 1936 | 22 may | Angelo De Ruben | |||
| 1936 | 24 may | Ruggiero Santini | |||
| 1937 | 15 december | Francesco Saveno Caroselli | |||
| 1940 | 11 june | Gustavo Pesenti | |||
| 1940 | 31 december | Carlo De Simone | |||
| 1941 | 9 march | UK Occupation | Reginald H. Smith | ||
| 1941 | William Eric Halstead Scuphan | ||||
| 1943 | Denis Henry Widcham | ||||
| 1948 | Eric Armar Vally de Candole | ||||
| 1948 | Geoffrey Massey Gamble | ||||
| 1949 | 21 november | Giovanni Fornari | |||
| 1950 | 1 april | Italian Trust Territory | |||
| 1954 | Enrico Martino | ||||
| 1954 | Abdullahi Isa Muhammad | ||||
| 1957 | Enrico Anzilotti | ||||
| 1958 | Mario De Stefani | ||||
| 1960 | 1 july | Republic | Aden Abdullah Osman Dar | Muhammad Haji Ibrahim Egal (I) | |
| 1960 | 12 july | Abdirashid Ali Shermarke | |||
| 1964 | 14 june | Abdurazzaq Haji Husayn | |||
| 1967 | 10 june | Abdirashid Ali Shermarke | |||
| 1967 | 15 july | Muhammad Haji Ibrahim Egal (II) | |||
| 1969 | 15 october | Shaykh Moktar Muhammad Husayn | |||
| 1969 | 21 october | Democratic Republic | gen. Muhammad Siyad Barrah | ||
| 1969 | 1 november | - | |||
| 1987 | 1 febriary | gen. Muhammad Ali Samatar | |||
| 1990 | 3 september | Muhammad Hawadle Madar | |||
| 1991 | 24 january | Umar Arteh Ghalib | |||
| 1991 | 29 january | Ali Mahdi Muhammad | |||
| 1991 | 21 july | Republic | |||
| 1995 | 15 june | Muhammad Farah Hassan Aydid | |||
| 1996 | 1 august | Hussein Muhammad Farah Aydid | |||
| 1998 | 20 amrch | Vacant | |||
| 2000 | 22 august | Abdullahi Derow Isaq | |||
| 2000 | 27 august | Abdiqasim Salad Hassan | |||
| 2000 | 8 october | Ali Khalif Galaid | |||
| 2001 | 28 otctober | Osman Jama Ali | |||
| 2001 | 12 november | Hassan Abshir Farah | |||
| 2004 | 14 october | Abdullahi Yusuf Ahmed | |||
| 2004 | 3 november | Ali Muhammad Ghedi | |||
| 2007 | 29 october | Salim Aliyow Ibrow | |||
| 2007 | 22 november | Nur Hassan Hussein | |||
| 2008 | 29 december | Sheikh Aden Madobe | - | ||
| 2009 | 31 january | Sheikh Sharif Sheikh Ahmed | - | ||
| 2009 | 14 february | Omar Abdirashid Ali Sharmarke |