On 16 May 1975, the U.S. Congress voted to provide $405 million for South Vietnam refugees. Over 140,000 such refugees were flown to the United States after the fall of Saigon.
Richert, Lucas Paul. "U.S. Congress votes to support South Vietnamese refugees". The Literary Encyclopedia. First published 01 November 2008
[http://www.litencyc.com/php/stopics.php?rec=true&UID=5703, accessed 18 May 2013.]