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.
Citation:
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.]