In 1969, Denmark was the first country to legalise pornography,[158] and in 2012, Denmark replaced its "registered partnership" laws, which it had been the first country to introduce in 1989,[159][160] with gender-neutral marriage.[161][162] Modesty, punctuality but above all equality are important aspects of the Danish way of life.[163]
Statue of philosopher Søren Kierkegaard. The astronomical di
scoveries of Tycho Brahe (1546–1601), Ludwig A. Colding's (1815–88) neglected articulation of the principle of conservation of energy, and the contributions to atomic physics of Niels Bohr (1885–1962) indicate the range of Danish scientific achievement. The fairy tales of Hans Christian Andersen (1805–1875), the philosophical essays of Søren Kierkegaard (1813–55), the short stories of Karen Blixen (penname Isak Dinesen), (1885–1962), the plays of Ludvig Holberg (1684–1754), and the dense, aphoristic poetry of Piet Hein (1905–96), have earned international recognition, as have the symphonies of Carl Nielsen (1865–1931). From the mid-1990s, Danish films have attracted international attention, especially those associated with Dogme 95 like those of Lars von Trier. There are three Danish heritage sites inscribed on the UNESCO World Heritage list in Northern Europe: Roskilde Cathedral, the main burial site for Danish monarchs since the 15th century; Kronborg castle, immortalized in the play Hamlet; and the Jelling stones, carved runestones that are often called Denmark's
