One small step for man, one giant leap for man's best friend.
Special thanks to reddit user Aoneareyou60 for suggesting writing about Laika for the History Contest. Thanks to AidenEldritch, Conwell, TwistedGears, Greenwolf, and Apoplexic for taking a look before release.
EDIT: I was not expecting the outpouring of support this article has gotten. Thank you, everyone who read and contributed.
This contest has featured some really stellar content, so below I've linked the top five in each category for easy access!