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| YEAR | DATE | EVENT | HEAD OF STATE | PRIME MINISTER |
| 943 | 12 april | Count - dinasty Wigeich | earl Sigfrido | |
| 998 | 26 november | earl Federico | ||
| 1019 | earl Giselberto | |||
| 1059 | earl Corrado I | |||
| 1086 | 20 august | earl Guglielmo | ||
| 1130 | earl Corrado II | |||
| 1136 | dinasty Namur | earl Enrico I | ||
| 1196 | dinasty Namur - Sundgau | earles Ermesinda e Tebaldo | ||
| 1211 | 12 february | dinasty Namur | earles Ermesinda | |
| 1247 | dinasty Limburg | earl Enrico II | ||
| 1281 | earl Enrico III | |||
| 1288 | 5 june | earl Enrico VII H.R.E. | ||
| 1313 | 24 august | earl John King of Boemia | ||
| 1346 | 26 august | earl Carlo IV H.R.E. | ||
| 1354 | 13 march | Duchy | duke Venceslao I | |
| 1383 | 7 december | duke Venceslao II H.R.E. | ||
| 1388 | 26 february | duke Jobst | ||
| 1411 | 16 january | dinasty Borgogna-Valois | duke Antonio | |
| 1415 | 25 october | dinasty Limburg | dukes Elisabetta I | |
| 1419 | 16 august | duke Sigismondo H.R.E. | ||
| 1437 | 9 december | dinasty Asburgo | duke Alberto II H.R.E. | |
| 1439 | 27 october | dinasty Limburg | dukes Elisabetta II | |
| 1439 | december | dinasty Asburgo | dukes Anna | |
| 1443 | duke Ladislao King of Ungheria | |||
| 1457 | 23 november | dinasty Borgogna-Valois | duke Filippo | |
| 1467 | 15 june | Duchy of Duchy of Borgogna | ||
| 1482 | 27 march | Duchy of Spanish Lower States | ||
| 1714 | 6 march | Duchy of Austrian Lower States | ||
| 1795 | 1 october | French Occupation | ||
| 1815 | 10 may | Greatduchy of Kingdom of Netherland | ||
| 1890 | 23 november | Greatduchy - dinasty Nassau | greatduke Adolphe | Paul Eyschen |
| 1905 | 17 november | greatduke Guillaume IV | ||
| 1912 | 25 february | grateduches Maria Adelaide | ||
| 1914 | 1 august | German Occupation | ||
| 1915 | 12 october | Mathias Mongenast | ||
| 1915 | 5 november | Hubert Loutsch | ||
| 1916 | 22 february | Victor Thorn | ||
| 1917 | 17 june | Léon Kauffmann | ||
| 1918 | 27 september | Émil Reuter | ||
| 1918 | 22 november | Greatduchy - dinasty Nassau | greatdukes Marie-Adélaïde | Émil Reuter |
| 1919 | 14 january | greatdukes Charlotte | ||
| 1925 | 19 march | Peter Prüm | ||
| 1926 | 16 july | Joseph Bech (I) | ||
| 1937 | 6 november | Pierre Dupong | ||
| 1940 | German Occupation | 10 may | ||
| 1942 | 30 august | Union to Germany | ||
| 1945 | 28 january | Greatduchy - dinasty Nassau | greatdukes Charlotte | Pierre Dupong |
| 1953 | 28 december | Joseph Bech (II) | ||
| 1958 | 11 april | Pierre Frieden | ||
| 1959 | 26 february | Pierre Werner (I) | ||
| 1964 | 12 november | dinasty Borbone-Parma | greatduke Jean | |
| 1974 | 15 june | Gaston Thorn | ||
| 1979 | 19 july | Pierre Werner (II) | ||
| 1984 | 20 july | Jacques Santer | ||
| 1995 | 20 january | Jean-Claude Juncker | ||
| 2000 | 7 october | greatduke Henri |