The International Congress of Mathematicians (ICM) is the largest conference for the topic of mathematics and it is held every 4 years. The highest honor in mathematics, the Fields Medal, is awarded during the event, as are other outstanding prizes such as Nevanlinna, Gauss, Chern, and Leelavati.

The video: https://youtu.be/44832Tkr1I0

More about ICM2018: https://impa.br/en_US/page-noticias/mais-importante-congresso-mundial-de…