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 3346 births, 3883 deaths, 1122 murders, 492 disasters and 2018 other events about 5696 people in 6343 places until today.
Birth(+)Fact(x)Death(-) Calendar is an ongoing project since 1985 by DDV.