* ''None yet''Mathematician Roger Penrose publishes a paper on gravitational collapse and space-time [[Singularity|singularities]].
* Astronaut Alexei Leonov leaves his spacecraft for 12 minutes, becoming the first person to walk in space. * [[Probe]] "Venera 3" is launched on [[November 16]], heading towards [[Venus]]. <br> It becomes the first spacecraft to reach the surface of another planet. {{| class="wikitable" style="width:20%"! colspan="3" | [[Timeline]] |-| <center>[[1964]] || <center>[[1965]] || <center>[[1966]] |- [[category:timeline nav}}]]