Laika died within hours from overheating possibly caused by a failure of the central R-7 sustainer to separate from the payload. The true cause and time of her death were not made public until 2002; instead, it was widely reported that she died when her oxygen ran out on day six, or as the Soviet government initially claimed, she was euthanised prior to oxygen depletion. (3 November 1957)
There are 3140 births, 3419 deaths, 966 murders, 428 disasters and 1788 other events about 5174 people in 5780 places until today.
Birth(+)Fact(x)Death(-) Calendar is an ongoing project since 1985 by DDV.