Timeline of Rosetta (spacecraft)
Rosetta is a space probe designed to rendezvous with the comet 67P/Churyumov–Gerasimenko, perform flybys of two asteroids (2867 Šteins and 21 Lutetia), and carry lander Philae until its landing on 67P. This page records a detailed timeline of this mission. == Launch and cruise phase (2004 - 2014) == 16 February 2004 — The Rosetta spacecraft was placed on top of its Ariane 5 rocket at the Guiana Space Centre, Kourou.
Source: Wikipedia — Timeline of Rosetta (spacecraft) (CC BY-SA 4.0)