On this day in 1986, an explosion occurred on the fourth unit of the Chernobyl nuclear power plant. The scale of the tragedy could be infinitely greater if not the courage, the dedication of participants of liquidation of consequences of the Chernobyl catastrophe, who arrived from across the country, including from Tatarstan, and joined the “battle” with radiation. On the eve of the anniversary, Chief of the Headquarters of EMERCOM of Russia for the Republic of Tatarstan, Rafis Khabibullin, addressed to the liquidators.