Treaty of Trianon: Hungary Loses Territory and Population, June 4, 1920
Hungary loses 71% of its territory and 63% of its population when the Treaty of Trianon is signed in Paris. Date: June 4, 1920 Read more on Wikipedia โ ๐ Other events on June 4 ๐ Events on this day in 1920 ๐ On This Day (Today)