#OTD 30 May 1975, @esa convention signed, creating European Space Agency #HappyBirthday! https://t.co/UcGSSDWBZO pic.twitter.com/cvNWhIQZSb
— ESA space history (@ESA_History) May 30, 2016
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#OTD 30 May 1975, @esa convention signed, creating European Space Agency #HappyBirthday! https://t.co/UcGSSDWBZO pic.twitter.com/cvNWhIQZSb
— ESA space history (@ESA_History) May 30, 2016