Significant events from the timeline of the Space Race from 1957 through 1975 are plotted along the y-axis in order of relative difficulty of those accomplishments. All human spaceflight programs are graphed along with leading events for unpiloted probes.<br><br>
This is a crop of <a href="//commons.wikimedia.org/wiki/File:Space_Race_1957-1975.jpg" title="File:Space Race 1957-1975.jpg">Space Race 1957-1975.jpg</a> where the lower third has been removed (the "context" timeline) leaving only spaceflight events.
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<a href="//commons.wikimedia.org/wiki/File:Space_Race_1957-1975.jpg" title="File:Space Race 1957-1975.jpg">Space Race 1957-1975.jpg</a>