VIENNA THRONG CIIEERSJIITLER VIENNA, March IT (UP) Adolf Hitler received a triumphal wel-1 wel-1 coma today upon hi arrival from ' a tour of Germany' new protec- torate Bohemia and Moravia, Nasi aombing plane flew in pa- rade formation over Vienna and J thousand ef nasi demonstrator, f called ant by their leaden long before tha fuehrer arrived, cheered I tha German chancellor, i Vienna staged, la lea elaborate I form, the celebration of tha first I ' anniversary of union of Austria with' Germany, which had been ( scheduled for Wednesday but was I postponed by tha nasi seizure of j Bohemia, Moravia and Slovakia. i Defnooatratiea Ordered In contrast with Hitler' quiet and Unspectacular entry Into the hostile ; city of Prague after its occupation r by German troops, the nasi leaders g of Vienna ordered "all Viennese Into the etreet to gnet the fuehnr." The order was broadcast by radio "to tha city at p. m, although Hit ler did not arrive until 6:20 p. m. Troops lined tha street and atona trooper formation wen assembled at the Scnwarsenbergplats, near the Hotel Imperial, when Hitler usuaUy stays In Vienna. Police barred the population from near-by treat. ' Fuehrer Cheered The Hitler youth and maidens, as well aa storm trooper motor corps and other nasi organizations. Joined ; in tne welcome to the fuehrer. Hitler came hen from Brunn (Brno), the predominantly German i town in Moravia, when he had been greeted by the cheers of the Ger- man residents. A delegation of I Slovak officials was expected to come hen tonight or tomorrow to I confer with Hitler regarding the future relation ef their state, placed ' under nasi protection by Premier 1 Josef Tlae, to tha German relch. The delegation had been at ' Prague Wednesday to talk to German Ger-man officials there, but It returned last night to Bratislava, Slovak capital.