Possession of marijuana has become legal in the US state of Washington.
From midnight 6, Dec. 2012 (08:00 GMT) anyone aged 21 and over was allowed to carry up to 1oz (28.4g) of cannabis, but smoking it in public will remain illegal.
It has been legal for medical use in the state since 1998.
A law legalising gay marriage also came into effect in Washington state on Thursday.
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