World's oldest dendrochronologically dated archaeological wood construction

In 2018, during the construction of a motorway in the East Bohemian Region near the town of Ostrov (Czech Republic), archaeologists excavated a structure of a wooden water well lining with a square base area of 80 × 80 cm and 140 cm in height. Due to the excellent conservation of the oak timbers, studies of technological details and precise tree-ring dating were possible. The used trees were felled in the years 5256/55 BC, which makes this well...