Ukraine-European Union Relations UkrInform: Crimea Platform summit starts By UkrInform. Published Aug. 23, 2021 at 12:42 pm People march through central Kyiv, carrying an 85-meter Crimean Tatar flag to celebrate Crimean Tatar Flag Day on June 26, 2021. Photo by Kostyantyn Chernichkin Today, August 23, the Crimea Platform summit has started in Kyiv. Read more here.