Warsaw Pact | Molotov–Ribbentrop Pact | Warsaw Pact invasion of Czechoslovakia | Molotov-Ribbentrop Pact | Lanckorona | Warsaw pact | Stability Pact | Stability and Growth Pact | Pact of Umar | Pact | Lib–Lab pact | Gentleman's Pact | Cam-Pact |
The merger was passed during a meeting in the manor of senator L. Hammerling's from Lanckorona and at times it is referred to as Pact of Lanckorona.