[[19th Century|1846]] – Triton, the largest [[moon]] of [[Neptune]], is discovered by English astronomer William Lassell. <br>[[1967]] – The "Outer Space Treaty, " signed on January 27 by more than sixty nations, comes into force.This was a multilateral treaty that formed the basis of international space law on [[Earth]]. <br>
<noinclude>[[Category:On This Day|284]]</noinclude>