| 1. | The hungarian government closed them down in 1961.
le gouvernement hongrois a fermé leurs portes en 1961. |
| 2. | The conventions date from 1961 , 1971 and 1988.
ces conventions remontent à 1961 , 1971 et 1988. |
| 3. | London: Sampson Low, Marston & Company, 1961.
Londres, Sampson Low, Marston & Company, 1961. |
| 4. | Venus - first radar detection in 1961.
Vénus - première détection radar en 1961. |
| 5. | It was opened on May 21, 1961.
Elle fut inaugurée le 21 mai 1961. |
| 6. | This took effect on February 4, 1961.
Cela prit effet le 4 février 1961. |
| 7. | By 1961, he completely lost his sight.
En 1966, il perd complètement la vue. |
| 8. | Boris Vilkitsky died in Brussels in 1961.
Boris Vilkitski meurt à Bruxelles en 1961. |
| 9. | 1961 - Issuance of Federal Letters Patent.
1961 - Émission des lettres patentes fédérales. |
| 10. | He was awarded the Bundesverdienstkreuz in 1961.
Il a reçu la Bundesverdienstkreuz en 1963. |
