▁supporting ▁role ▁to ▁Sem illon , ▁Sau v ignon ▁blanc ▁and ▁Mus c ad elle . ▁ ▁Syn onym s ▁ ▁Over ▁the ▁years ▁Mer lot ▁blanc ▁has ▁been ▁known ▁under ▁a ▁variety ▁of ▁syn onym s ▁including : ▁Mer lau ▁blanc , ▁Mer la ut ▁blanc ▁and ▁Mer lot ▁b ian co . ▁ ▁References ▁ ▁Category : White ▁wine ▁gra pe ▁vari eties <0x0A> </s> ▁The ▁following ▁events ▁occurred ▁in ▁April ▁ 1 9 6 7 : ▁ ▁April ▁ 1 , ▁ 1 9 6 7 ▁( S aturday ) ▁The ▁United ▁States ▁Department ▁of ▁Transport ation , ▁created ▁as ▁a ▁cabinet - level ▁department ▁separate ▁from ▁the ▁U . S . ▁Department ▁of ▁Com merce , ▁began ▁operations ▁at ▁ 4 0 0 ▁Se vent h ▁Street ▁S . W . ▁in ▁Washington . ▁ ▁As ▁part ▁of ▁the ▁opening ▁day ▁celebr ations , ▁new ▁Transport ation ▁Secretary ▁Alan ▁S . ▁Bo yd ▁arrived ▁" in ▁a ▁horse - dra wn ▁om n ibus " ▁and ▁" p il oted ▁a ▁large ▁yellow ▁bal lo on " ▁ 2 0 ▁feet ▁above ▁the ▁National ▁Mall . ▁Radio ▁Zur ich , ▁a ▁radio ▁network ▁in ▁Switzerland , ▁played ▁an ▁April ▁F ool ' s ▁Day ▁jo ke ▁on ▁thousands ▁of ▁its ▁listen ers , ▁by ▁frequently ▁interrupt ing ▁regular ▁programming ▁with ▁bullet ins ▁about ▁an ▁American ▁man ned ▁landing ▁on ▁the ▁Moon . ▁ ▁Tele phone ▁lines ▁were ▁jam med , ▁hundreds ▁of ▁people ▁tra ve led ▁out ▁to ▁the