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| YEAR | DATE | EVENT | HEAD OF STATE | PRIME MINISTER |
| 1918 | 18 november | Republic | Janis Cakste (I) | Karlis Ulmanis (I) |
| 1919 | 16 april | Hans Joachim Paul Adolph Freiherr von Manteuffel-Szoege | Hans Joachim Paul Adolph Freiherr von Manteuffel-Szoege | |
| 1919 | 26 april | Oskar Borkowsky | Oskar Borkowsky | |
| 1919 | 11 may | Andrievs Niedra | Andrievs Niedra | |
| 1919 | 29 june | von Timroth | von Timroth | |
| 1919 | 3 july | Janis Cakste (II) | Karlis Ulmanis (II) | |
| 1921 | 17 june | Zigfrids Meierovics (I) | ||
| 1922 | 7 november | Fridrihs Vesmanis | ||
| 1922 | 18 november | Janis Cakste (III) | ||
| 1923 | 25 january | Janis Pauluks | ||
| 1923 | 26 june | Zigfrids Meierovics (II) | ||
| 1924 | 25 january | Voldemars Zamuels (I) | ||
| 1924 | 16 december | Hugo Celmins (I) | ||
| 1925 | 3 november | Pauls Kalnins (I) | ||
| 1925 | 10 november | Janis Cakste (III) | ||
| 1925 | 23 december | Karlis Ulmanis (III) | ||
| 1926 | 4 may | Arturs Alberings | ||
| 1926 | 17 december | Margers Skujenieks (I) | ||
| 1927 | 14 march | Pauls Kalnins (II) | ||
| 1927 | 8 april | Gustavs Zemgals | ||
| 1928 | 21 january | Peteris Jurasevskis | ||
| 1928 | 1 december | Hugo Celmins (II) | ||
| 1930 | 8 april | Pauls Kalnins (III) | ||
| 1930 | 11 april | Alberts Kviesis | ||
| 1931 | 24 march | Karlis Ulmanis (IV) | ||
| 1931 | 5 december | Margers Skujenieks (II) | ||
| 1933 | 23 march | Adolfs Blodnieks | ||
| 1934 | 17 march | Karlis Ulmanis (V) | ||
| 1936 | 11 april | Karlis Ulmanis | ||
| 1940 | 20 june | Augusts Kirhensteins | ||
| 1940 | 21 july | Augusts Kirhensteins |