Sputnik 1
... that the 1957 launch of Sputnik 1, the first artificial satellite, led to a period of public anxiety in the United States and accelerated the Space Race?
... that the 1957 launch of <b id="mwAcM"><a href="./Sputnik_1" id="mwAcQ" rel="mw:WikiLink" title="Sputnik 1">Sputnik 1</a></b>, the first artificial satellite, led to <a href="./Sputnik_crisis" id="mwAcU" rel="mw:WikiLink" title="Sputnik crisis">a period of public anxiety</a> in the United States and accelerated the <a href="./Space_Race" id="mwAcY" rel="mw:WikiLink" title="Space Race">Space Race</a>?<!--Special occasion hook for July 21-->