Name: ECS 1 — launch
Start: 1983-06-16
Location: Centre Spatial Guyanais, Kourou, Guyane Francaise

Launch code: OS. Source references: Desobeau; CNES32.

Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)

1983-10-19 Intelsat 507 — launch Shares a spacecraft, person or other linked entity
1982-09-10 Marecs B/Sirio B — launch Shares a spacecraft, person or other linked entity
1984-03-05 Intelsat 508 — launch Shares a spacecraft, person or other linked entity
1980-10-30 ESA Convention enters into force Same organization: European Space Agency
1986-03-14 Giotto encounters Halley's Comet Same organization: European Space Agency
1975-05-31 ESA begins operations Same organization: European Space Agency