The Jagiełło Oak is the most noted of the Białowieża Forest oaks in Poland, near the border with Belarus. The tree was blown down on November 2, 1974, at which time it had a circumference of at breast height and a height of ; it had large branches and a well-developed crown. The fallen trunk can still be seen in the Białowieża National Park.
King Władysław II Jagiełło is said to have rested beneath the tree before the Battle of Grunwald in 1410 – however at its death the tree is thought to have been no more than 450 years old, which would mean it did not begin growing until around 1524.
External links Oaks in Białowieza Forest at Bialowieza.pl The Jagiełło Oak in photographs Pierwszy w dostojności między drzewami (The first among trees) at Białowieża National Park website