The 80th anniversary of the Mongolian Geological Survey was celebrated in Ulaanbaatar on October 16–18, 2019. The representatives of the Czech Geological Survey presented here two lectures and poster summarizing Czech-Mongolian geological cooperation. Prof. K. Schulmann gave a salute to Mongolian geologists at the ceremony, which took place in the Parliament building in the presence of highest political representatives of Mongolia on Friday October 18.