The Peloponnesian war came to an end when Admiral Lysander and his Spartan armies defeated their Athenian foes.
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Francis Crick & James Watson's discovery of the double-helix structure of DNA was formally announced.
Kathmandu, Nepal, was devastated by a major earthquake.
President Harry Truman opened the two-lane White House bowling alley.
Bell Labs demonstrated the first practical silicon solar cell in New Jersey, US.
Romania and Bulgaria signed the European Union's Treaty of Accession, the last step to joining the Union.
