The 2nd European Indoor Games were held at Sportovní hala, Prague, Czechoslovakia (present-day Czech Republic) from 11 March to 12 March 1967.
References
1967 European Indoor Games Wikipedia(Text) CC BY-SA
The 2nd European Indoor Games were held at Sportovní hala, Prague, Czechoslovakia (present-day Czech Republic) from 11 March to 12 March 1967.