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 3303 births, 3778 deaths, 1097 murders, 486 disasters and 1938 other events about 5608 people in 6213 places until today.
Birth(+)Fact(x)Death(-) Calendar is an ongoing project since 1985 by DDV.