National Day of Austria The National Day of Austria is 26 October (The Neutrality Constitution of 1955). VN:F [1.9.22_1171]please wait...Rating: 0.0/10 (0 votes cast)VN:F [1.9.22_1171]Rating: 0 (from 0 votes) Related Posts Northern Territory Public Holidays ( )NSW Public Holidays ( )Western Australia Public Holidays ( )Afganistan National Day ( )Albania National Day ( )Algeria National Day ( )Andorra National Day ( ) Related posts: National Day of Andorra National Day of Bahamas National Day of Bhutan National Day of Cambodia August 28, 2011 admin National Day Comments Off on National Day of Austria