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| YEAR | DATE | EVENT | HEAD OF STATE | PRIME MINISTER | |
| 1949 | 7 october | Popular Democratic Republic | Johannes Dieckmann (I) | Wilhelm Pieck | |
| 1949 | 11 october | Wilhelm Pieck | Otto Grotewohl | ||
| 1960 | 7 september | Johannes Dieckmann (II) | |||
| 1960 | 12 september | Walter Ulbricht | |||
| 1964 | 24 september | Willi Stoph (I) | |||
| 1973 | 3 october | Willi Stoph | Horst Sindermann | ||
| 1976 | 29 october | Erich Honecker | Willi Stoph (II) | ||
| 1989 | 24 october | Egon Krenz | |||
| 1989 | 13 november | Hans Modrow | |||
| 1989 | 6 december | Manfred Gerlach | |||
| 1990 | 5 april | Sabine Bergmann-Pohl | |||
| 1990 | 12 april | Lothar de Maizière | |||
| 1990 | 3 october | Union to Western Germany (5 lander) |