THE DIRECTOR GENERAL
European Space Agency
Headquarters
8-10 rue Mario Nikis
CS 45741
F-75738 Paris Cedex 15
France
Erkki Keldo
Minister of Economy and Industry
Estonia
DG/248 Paris, 7 May 2025
INVITATION TO CELEBRATE 50 YEARS OF ESA
Dear Minister,
It gives me great pleasure to invite you to the celebration commemorating the 50th Anniversary
of the Convention for the Establishment of the European Space Agency. The event — taking
place from 19.45 on 18 June 2025 at ESA’s Headquarters at 8 rue Mario Nikis, 75015 Paris,
France — will mark five decades of successful European cooperation in space with keynote
addresses, a unique stage show and a cocktail reception.
From monitoring our climate, connecting people and businesses, studying our universe, and
keeping Europeans safe, space is a vital part of our society. ESA has played a central role
together with and on behalf of its Member States in delivering world-leading space systems
and fostering innovation and collaboration across Europe. As we reflect on half a century of
spectacular achievements and successes, we also look ahead to a crucial year for the
European space sector and the opportunities that lie ahead.
As Director General of ESA, I am proud to be able to mark this important milestone for our
Agency, and sincerely hope you can join us to celebrate it. We would appreciate your
confirmation at the earliest opportunity, but not later than 12 May 2025. Should you have any
questions regarding the event, please contact the ESA Protocol Office (
[email protected]).
Yours sincerely,
Josef Aschbacher
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