Name: Outer Space Treaty enters into force
Start: 1967-10-10

Established a foundational treaty framework for space activities.

1967-01-27 Outer Space Treaty opens for signature Same legal instrument: Outer Space Treaty
1967-10-10 Canada ratifies the Outer Space Treaty Same legal instrument: Outer Space Treaty
1968-12-03 Rescue Agreement — enters into force Same type of event: Treaty entered into force
1964-02-29 ELDO Convention: enters into force Same type of event: Treaty entered into force
1964-03-20 ESRO Convention: enters into force Same type of event: Treaty entered into force
1964-10-10 Explorer 22 — launch Same date in another year