a standard established in the 1951 case Dennis v. U.S. whereby the government could suppress speech to avoid grave danger, even if the probability of the dangerous result was relatively remote; replaced by the imminent Lawless action (incitement) test in 1969.
Laika became the first living being to orbit the Earth on Sputnik 2, Nov. 3, 1957. She died several hours into the flight from stress and heat. On May 28, 1959, rhesus monkey Able and squirrel monkey Baker became the first to successfully return to Earth after space flight.
Nov. 3, 1957: The Soviet Union sends the first living creature into orbit. It was a Space Race victory that would have broken Sarah McLachlanâs heart. On this day, Nov. 3, in 1957, the Soviet Union launched the first-ever living animal into orbit: a dog named Laika. The flight was meant to test the safety of space travel for humans, but it was a guaranteed suicide mission for the dog, since technology hadnât advanced as far as the return trip.