PERSON@1 's further travel through LOCATION@1 changed into a triumphal tour that climaxed in LOCATION@2 , on NUMBER@1 April NUMBER@2 , when around NUMBER@3 MISC@1 gathered on the Heldenplatz -LRB- Square of Heroes -RRB- to hear PERSON@1 proclaim the MISC@2 .

On NUMBER@1 April NUMBER@2 NUMBER@3 MISC@1 gathered on the Heldenplatz -LRB- Square of Heroes -RRB- to hear PERSON@1 proclaim the MISC@2 .
