The European Congress of Mathematics is organized by the European Mathematical Society (EMS) every four years and is the second largest event of mathematics in the world. The 8th European Congress of Mathematics (8ECM) was held online between 20 and 26 June 2021. Prof. Burak Özbağcı was the first invited speaker affiliated with a Turkish University, in the entire history of the European Congresses of Mathematics which began with the first one that was held in Paris in 1992.