claim: In 2014, Sledgehammer was performed live for the first time.
evidence: Ostruznja Donja -LRB- Cyrillic  : Остружња Доња -RRB- is a village in the municipality of Doboj , Bosnia and Herzegovina .. Doboj. Doboj. Cyrillic. Cyrillic script. village. village. municipality. Municipalities of Bosnia and Herzegovina. Bosnia and Herzegovina. Bosnia and Herzegovina