Panama
Adopted 1904
1501 Annexed by Spain
03 Nov 1698 - 11 Apr 1700 New Caledonia (New Scotland) founded by Scotland then abandond
28 Nov 1821 Part of New Genanda (Columbia from 1861)
18 Nov 1840 - 31 Dec 1841 Secession from Colombia, State of Panama
03 Nov 1903 - Independence, Republic of Panama
04 Nov 1903 - 21 Jan 1914 US Occupation
21 Jan 1914 - 25 Jul 1939 US Protectorate
20 Dec 1989 - 31 Jan 1990 US Occupation
De facto Military rulers
12 Oct 1968 - 19 Dec 1969 José Maria Pinilla Fábrega ............................. 1919-1979
11 Oct 1968 - 31 Jul 1981 Omar Efraín Torrijos Herrera ........................... 1929-1981
03 Mar 1982 - 12 Aug 1983 Rubén Darío Paredes del Río ............................ 1933-
12 Aug 1983 - 30 Dec 1989 Gen. Manuel Antonio Noriega Moreno ..................... 1936-
Presidents
18 Nov 1840 - 31 Dec 1841 Tomás José Ramón del Carman de Herrera y Pérez Dávila
03 Nov - 04 Nov 1903 Demetrio Honorato Brid Lasso ........................... 1859-1917
04 Nov 1903 - 20 Feb 1904 José Augustín Arango Remón ............................. 1841-1909
20 Feb 1904 - 01 Oct 1908 Manuel Amador Guerrero
01 Oct 1908 - 01 Mar 1910 José Domingo de Obaldía Gallegos
01 Mar - 01 Oct 1910 Carlos Antonio Mendoza Soto
01 Oct - 05 Oct 1910 Federico August Boyd López
05 Oct 1910 - 01 Oct 1912 Pablo Arosemena Alba
01 Oct 1912 - 01 Oct 1916 Belisario Porras Barahona (1st Time)
01 Oct 1916 - 03 Jun 1918 Ramon Maximiliano del la Concepción Valdés Arce
03 Jun - 01 Oct 1918 Ciro Luis Urriola Garrés
01 Oct - 12 Oct 1918 Pedro Antonio Díaz de Obaldía
12 Oct 1918 - 01 Oct 1924 Belisario Porras Barahona (2nd Time)
01 Oct 1924 - 01 Oct 1928 Rodolfo Enrique Chiari Robles
01 Oct 1928 - 02 Jan 1931 Florencio Harmondo Arosemena Guillén
16 Jan 1931 - 01 Oct 1932 Ricardo Joaquín Alfaro Jované
01 Oct 1932 - 01 Oct 1936 Harmondi Arias Madrid
01 Oct 1936 - 16 Dec 1939 Juan Demóstenes Arosemena
18 Dec 1939 - 01 Oct 1940 Augusto Samuel Boyd Briceño
01 Oct 1940 - 09 Oct 1941 Arnulf Arias Madrid .................................... 1901-1988
09 Oct 1941 - 15 Jun 1945 Ricardo Adolfo de la Guardia Arango
15 Jun 1945 - 01 Oct 1948 Enrique Adolfo Jiménez Brin
01 Oct 1948 - 23 Aug 1949 Domingo Díaz Arosemena
23 Aug - 20 Nov 1949 Daniel Chanis Pinzón
20 Nov - 25 Nov 1949 Roberto Francisco Chiaris Remón (1st Time)
25 Nov 1949 - 09 May 1951 Arnulf Arias Madrid (2nd Time)
09 May 1951 - 01 Oct 1952 Alcibíades Arosemena Quinzada
01 Oct 1952 - 02 Jan 1955 José Antonio Remón Cantera
02 Jan - 29 Mar 1955 José Ramon Guizado Valdés
29 Mar 1955 - 01 Oct 1956 Ricardo Manuel Arias Espinosa
01 Oct 1956 - 01 Oct 1960 Ernesto de la Guardia Navarro
01 Oct 1960 - 01 Oct 1964 Roberto Francisco Chiaris Remón (2nd Time)
01 Oct 1964 - 01 Oct 1968 Marco Aurelio Robels Méndez
01 Oct - 12 Oct 1968 Arnulf Arias Madrid (3rd Time)
19 Dec 1969 - 11 Oct 1978 Demetrio Basilio Lakas Bahas ........................... 1925-1999
11 Oct 1978 - 31 Jul 1982 Aristides Royo Sánchez
31 Jul 1982 - 13 Feb 1984 Ricardo de la Espriella Torel
13 Feb - 11 Oct 1984 Jorge Enriquez Illueca Sibauste ........................ 1918-2012
11 Oct 1984 - 28 Sep 1985 Nicolás Artido Barletta Vallarino
28 Sep 1985 - 26 Feb 1988 Eric Arturo Delvalle Cohen Henríquez
26 Feb 1988 - 01 Sep 1989 Manuel Solís Palma ..................................... 1917-2009
01 Sep - 20 Dec 1989 Francisco Antonio Rodríguez Poveda
20 Dec 1989 - 01 Sep 1994 Guillermo David Endara Galimany ........................ 1936-2009
01 Sep 1994 - 01 Sep 1999 Ernesto Pérez Balladares González Revilla
01 Sep 1999 - 01 Sep 2004 Mireya Elisia Moscoso Rodríguez de Arias
01 Sep 2004 - 01 Jul 2009 Martín Ernesto Torrijos Espino
01 Jul 2009 - Ricardo Alberto Martinelli Berrocal .................... 1952-
Chiefs of Government
11 Oct 1972 - 11 Oct 1978 Omar Efraín Torrijos Herrera
15 Dec - 20 Dec 1989 Manuel Antonio Noriega Morena
US Military Commander
20 Dec 1989 - 31 Jan 1990 Carl Stiner