On This Day in Space! May 30, 1975: European Space Agency established

On May 30, 1975, the European Space Agency officially opened for business. 

The European Space Agency was created as a merger of the European Launcher Development Organization, or ELDO, and the European Space Research Organisation, ESRO. Both ELDO and ESRO were established in the 1960s to unify the space-related activities of European nations. 



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