The Peloponnesian war came to an end when Admiral Lysander and his Spartan armies defeated their Athenian foes.
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Romania and Bulgaria signed the European Union's Treaty of Accession, the last step to joining the Union.
Nicaragua elected its first-ever female President, Violeta Chamorro.
New York state became the first to require license plates on automobiles.
Germany banned the denial of Nazi genocide against Jewish people during the Holocaust.
The Discovery Space Shuttle deployed the Hubble Space Telescope into low-Earth orbit.