Launch of <a href="https://en.wikipedia.org/wiki/Salyut_1" id="mw1A" rel="mw:WikiLink" title="Salyut 1">Salyut 1</a>, the first <a href="https://en.wikipedia.org/wiki/Space_station" id="mw1Q" rel="mw:WikiLink" title="Space station">space station</a>.