The Outer Space Treaty was signed to prevent the use of nuclear weapons being utilized in space.
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The 9/11 victim compensation fund was extended indefinitely by the US Senate.
Cassini orbiter released the Huygens probe, which successfully landed on Saturn's moon Titan.
Mississippi formally ratified the Thirteenth Amendment and became the last state to approve the abolition of slavery.
Russia's Mir Space Station was deorbited over the South Pacific Ocean.
Machine guns were fired from a US airplane for the first time.
