Ariane 5 Milestones
1987
November

November 9, 1987 November 9, 1987

ESA member nations agree to proceed with the Ariane 5's development program.

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1985
January

January 31, 1985 January 31, 1985

The European Space Agency's (ESA) Council meets at the ministerial level in Rome, and a decision in principle is taken to proceed with the Ariane 5's preparatory program.

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