Sweden declared independence. Constitutional monarchy established. Russia took Aland Island group from Sweden.
Denmark ceded Norway to Sweden.
Göta Canal opened.
1 Americanized spelling of Swedish Persson .2 German: patronymic from Peer, Low German variant of Peter .3 French (mainly northeastern): reduced form of Per(r)esson, from a pet form (with double diminutive suffix -eçon, -esson) of the personal name Pierre, French form of Peter .