 The Soviet's first successful crewed docking occurred on January 16, 1969 when Soyuz 4 and Soyuz 5 docked and exchanged two crew members.The first rendezvous of two spacecraft from different countries took place on July 17, 1975, when an Apollo spacecraft docked with a Soyuz spacecraft as part of the Apollo-Soyuz Test Project.The first multiple space docking took place when both Soyuz 26 and Soyuz 27 were docked to the Salyut 6 space station during January 1978.