April 20, 1943 The USA Restricts Entry of Jewish Refugees
On April 20, 1943, a cable was received from Bern relating to the proposed financial arrangements in connection with the evacuation of the Jews from Rumania and France.
Source: http://www.jewishvirtuallibrary.org/report-on-the-acquiescence-of-fdr-government-in-the-murder-of-the-jews-january-1944