Grunewald Forest in Luxembourg 1846 Luxembourgish government sells 6.60 km² of the remaining forest to Baron Ziegesar due to economical reasons 1890 union between the Netherlands and Luxembourg ends now Queen Wilhelmina of the Netherlands owned the land The following year, Grand Duke Adolphe buys the forest back (by now 24.43 km²) 1934 due to the great depression, Grand Duchess Charlotte sells much of the Grünewald to the Luxembourgian government. Since 1934, the size of the Grünewald has FALLEN as a result of the expansion of the city and the construction of numerous roads