Claim: Nevada was the first state to sanction the use of the gas chamber with its first execution in February 1924, until the last execution on October 22, 1979.
Evidence: Nevada was the first state to sanction the use of the gas chamber. The first execution by use of lethal gas took place in February 1924 and has been used as the means of carrying out the death sentence a total of thirty-one times. The last execution was held October 22, 1979.