Terrifying History on Instagram: "On June 18, 2011, Amy Winehouse performed what would become her final concert at the Kalemegdan Fortress in Belgrade, Serbia, as part of her ill-fated European tour. Witnesses and video footage documented her visibly impaired state: she slurred lyrics, missed vocal cues, and staggered onstage, prompting audience boos. The 12-song set was abruptly cut short, and the remaining 27 tour dates were canceled. Medical examiners later determined Winehouse died from alco