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| YEAR | DATE | EVENT | HEAD OF STATE | PRIME MINISTER |
| 1953 | 22 october | Kingdom | king Sisavang Vong (II) | Prince Souvanna Phouma (I) |
| 1954 | 25 november | Katay Don Sasorith | ||
| 1956 | 21 march | Prince Souvanna Phouma (II) | ||
| 1958 | 17 august | Phoui Sananikone (II) | ||
| 1959 | 29 october | king Savang Vatthana | ||
| 1959 | 31 december | Sunthone Patthamavong | ||
| 1960 | 7 january | Kou Abhay | ||
| 1960 | 3 june | Prince Sovanith | ||
| 1960 | 15 august | Prince Souvanna Phouma (III) | ||
| 1960 | 11 december | Quinim Polsena | ||
| 1960 | 13 december | Prince Boun Oum (II) | ||
| 1962 | 11 june | Prince Souvanna Phouma (IV) |