1 157 annexed Finland.

1397 forms the Kalmar Union with Denmark and Norway, and is ruled by Denmark.

1523 independence from the alliance.

In the same year, Gustav Vasa was elected king.

The period from 1654 to 17 19 was a prosperous period in Sweden, and its territory included Finland, Estonia, Latvia and Lithuania, as well as the Baltic coastal areas of Russia, Poland and Germany.

17 18 gradually declined after losing the wars against Russia, Denmark and Poland.

1805 Participated in the Napoleonic Wars. /kloc-After losing to Russia in 0/809, it was forced to cede Finland. 18 14 obtained Norway from Denmark and made an alliance with Norway.

Norway became independent from the Federation.

Sweden remained neutral in both world wars.

Physical geography: located in the eastern part of Scandinavia, northern Europe.

It borders Finland in the northeast, Norway in the west and northwest, the Baltic Sea in the east and the North Sea in the southwest, with a territory area of 449,900 square kilometers (excluding the territorial sea area).

The coastline is about 2 18 1 km.

The terrain slopes from northwest to southeast.

Nordland Plateau is in the north, and the highest peak in the territory, Kebunekesai, is 2 1.23 meters above sea level, and the southern and coastal areas are mostly plains or hills.

The main rivers are Jota River, Dahl River and Honel Man River.

There are many lakes, about 92000.

Lake Wiener, the largest lake, covers an area of 5,585 square kilometers, ranking third in Europe.

About 15% of the land is in the Arctic Circle, but it won't be too cold in winter because of the Atlantic warm current. Most areas have temperate coniferous forest climate, and the southernmost part has temperate broad-leaved forest climate.