Sweden planted 300,000 oak trees on a particular island in the 1830s, after the Napoleonic wars, to provide lumber for future naval ships. It takes the trees a

Sweden planted 300,000 oak trees on a particular island in the 1830s, after the Napoleonic wars, to provide lumber for future naval ships. It takes the trees about 150 years to reach a suitable size, so they were well obsolete for their intended purpose before they were ready. https://www.atlasobscura.com/places/visingso-oak-forest https://www.atlasobscura.com/places/visingso-oak-forest