Get the achievement ORBITAL FLIGHT (Duration Level VI) with Soviet Space Agency before 1966
With Soviet Space Agency, get achievement Orbital Flight - Duration level VI before 1966 (LK-700 or Soyuz 7K-OK)
Won the best date.
In case of ties, win who first indicates the best date.
The challenges are posted on the Slitherine forums, Steam forums, Punta de Lanza forums and Twitter.
Remember that you will be immortalized in the Hall of Fame.
