The University of Tartu is founded.

The University of Tartu is a public research university located in the city of Tartu, Estonia. It is the national university of Estonia. It is also the largest and oldest university in the country. The university was founded under the name of Academia Gustaviana in 1632 by Baron Johan Skytte, the Governor-General of Swedish Livonia, Ingria, and Karelia, with the required ratification provided by King Gustavus Adolphus, shortly before the king's death on 6 November in the Battle of Lützen (1632).

June 30 is the 181st day of the year in the Gregorian calendar; 184 days remain until the end of the year.