<Table> National Firearms Act <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Long title </Th> <Td> An Act to provide for the taxation of manufacturers, importers, and dealers in certain firearms and machine guns, to tax the sale or other disposal of such weapons, and to restrict importation and regulate interstate transportation thereof . </Td> </Tr> <Tr> <Th> Acronyms (colloquial) </Th> <Td> NFA </Td> </Tr> <Tr> <Th> Nicknames </Th> <Td> National Firearms Act of 1934 </Td> </Tr> <Tr> <Th> Enacted by </Th> <Td> the 73rd United States Congress </Td> </Tr> <Tr> <Th> Effective </Th> <Td> June 26, 1934 </Td> </Tr> <Tr> <Th_colspan="2"> Citations </Th> </Tr> <Tr> <Th> Public law </Th> <Td> 73 - 474 </Td> </Tr> <Tr> <Th> Statutes at Large </Th> <Td> 48 Stat. 1236 </Td> </Tr> <Tr> <Th_colspan="2"> Codification </Th> </Tr> <Tr> <Th> Titles amended </Th> <Td> 26 U.S.C.: Internal Revenue Code </Td> </Tr> <Tr> <Th> U.S.C. sections created </Th> <Td> I.R.C. ch. 53 § 5801 et seq . </Td> </Tr> <Tr> <Th_colspan="2"> Legislative history </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Introduced in the House as H.R. 9741 by Robert L. Doughton (D--NC) on May 28, 1934 </Li> <Li> Committee consideration by House Ways and Means, Senate Finance </Li> <Li> Passed the House on June 13, 1934 (Passed) </Li> <Li> Passed the Senate on June 18, 1934 (Passed) </Li> <Li> Signed into law by President Franklin D. Roosevelt on June 26, 1934 </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th> Long title </Th> <Td> An Act to provide for the taxation of manufacturers, importers, and dealers in certain firearms and machine guns, to tax the sale or other disposal of such weapons, and to restrict importation and regulate interstate transportation thereof . </Td> </Tr>

When were automatic weapons made illegal in the united states