• naval heroes Peter Tordenskjold and Niels Juel are buried in Copenhagen's Church of Holmen?
• Ted Nierenberg formed Dansk International Designs to sell Scandinavian-style items in the U.S. after seeing Jens Quistgaard's handcrafted fork and knife on display in a Copenhagen museum?
• Dyrehaven, a forest park outside Copenhagen, Denmark, has 15 entrances, all with characteristic red gates (pictured)?
• Charles X Gustav of Sweden waged war with the intent to vanquish Denmark and raze Copenhagen in 1658?
• Emperor Alexander III of Russia provided funding for the construction of a Russian Orthodox church on Bredgade in Copenhagen at the behest of his Danish-born empress?

Facts on topics related to Copenhagen

Helsinki

• a British submarine flotilla dominated the Baltic Sea for a major part of WWI, but the loss of the Socialists in the Finnish Civil War forced the crews to scuttle the fleet outside Helsinki?
• the People's Republic of China made its Olympic debut at the 1952 Summer Games, but the team arrived in Helsinki too late to compete except for one race by a single swimmer?
• the Russian Empire built the Krepost Sveaborg fortress around Helsinki, Finland, during the First World War?
• triple quartets from Finland's oldest choir Akademiska Sångföreningen helped raise funds to build the Old Student House in Helsinki?

Oslo

• botanists Haaken H. Gran and Trygve Braarud began their academic careers as research assistants at Oslo's University Botanical Garden laboratory, founded by Nordal Wille in 1895?
• Edvard Munch lived at both Olaf Ryes plass and Schous plass, two neighboring squares in Oslo, during the 1880s?
• 1993 Eurovision Song Contest winner Niamh Kavanagh overcame voice and dress problems to make her return in the 2010 contest in Oslo, Norway?
• Harald Strøm's speed skating World Record in 5,000 metres set at Oslo's Frogner Stadion in 1922 lasted seven years?
• Norwegian architect Hjalmar Welhaven's collection of old skis was the basis for the world's oldest ski museum in 1923 when it opened in Oslo?
• Somali-Norwegian writer Amal Aden (pseudonym) is a noted critic of the Norwegian integration policy, as well as the Somali community in Oslo itself?
• Alfred Sinding-Larsen, who wrote folk songs with the Vika dialect, was one of the first writers to use a dialect from Norway's capital?
• Eva Nansen, Elisabeth Welhaven and Maren Sars contributed with music and storytelling in what was described as the "first salon" of Norway's capital?
• Harald Gram, father of World War II resistance fighter Gregers Gram, was stipendiary magistrate in Oslo for 21 years?
• Hulda Garborg was co-founder of Det Norske Teatret in Oslo, which was established in 1912?

Berlin

• B-17 Flying Fortress tailgunner "Babe" Broyhill set a record by destroying two Messerschmitt ME-262 jet fighters in a mission over Berlin in March 1945?
• Edvard Munch was invited to Berlin by fellow Norwegian Adelsteen Normann who also painted?
• Alexander Buturlin, who was in charge of the Russian army when it took Berlin in 1760, was better known for his tall stature and good looks than for military talents?
• Berlinka (pictured) was a partially constructed highway built by Nazi Germany that was intended to span the Polish Corridor from Berlin to Königsberg, Prussia?
• David Bergelson was a Yiddish language writer, who believed that the future of Yiddish literature lay in the Soviet Union and that he moved there from Berlin when Adolf Hitler came to power in Germany, but was ultimately executed during Josef Stalin's anti-semitic campaign against "rootless cosmopolitans"?
• Ernst Reuter, after having not been approved by the Soviets as the elected mayor of post-war Berlin, became the first mayor of the non-Soviet controlled part of the city, West Berlin?
• Ignatz Urban's type collections of Caribbean plants were largely destroyed in the 1943 bombing of the Berlin Herbarium?
• Matthew Robinson, older brother of Baseball Hall of Fame member Jackie Robinson, was a world-class sprinter and won a silver medal in the 1936 Summer Olympics in Berlin?
• Volkspark Friedrichshain (pictured) is the oldest and second largest urban park in Berlin?
• William Thomas Pecora, who headed the United States Geological Survey from 1965 to 1971, was a member of the U.S. fencing team at the 1936 Summer Olympics in Berlin?

Amsterdam

• Amsterdam has a concentric belt of canals around it?
• Amsterdam's Prostitution Information Center provides the city's visitors with information and advice about prostitution?
• Jan Wils won a gold medal in architectural design in art competitions at the 1928 Summer Olympics for his design of the Olympic Stadium in Amsterdam?
• Dutch mannerist painter Cornelis Ketel began to paint with his toes towards the end of a successful career as a portraitist, (example, right) in Elizabethan London and Amsterdam?
• The Faun, a rare sculpture by Paul Gauguin, displayed for a decade by the Art Institute of Chicago and the van Gogh Museum in Amsterdam was actually a fake by British forger Shaun Greenhalgh?
• notable former residents of Zwanenburgwal (pictured), a canal and street in the centre of Amsterdam, include Dutch painter Rembrandt and philosopher Baruch Spinoza?
• the 3,500 items owned by Amsterdam's Museum of Bags and Purses make it the world's largest collection of handbags and accessories?
• the City of Amsterdam spent €160,000 on an unsuccessful soil sanitation program to save the Anne Frank Tree, one of the oldest chestnut trees in the area?
• the Eastern Docklands in Amsterdam, which used to be an industrial harbor area, now attracts trendy professionals and young families with children?
• the Homomonument in Amsterdam commemorates all gay men and lesbians who have been subjected to persecution because of their sexual orientation?

Paris

• 16th-century English diplomat Francis Bryan disgraced himself by throwing eggs and stones at the common people during a mission to Paris?
• French anarchist Theodule Meunier, responsible for several bombings in Paris in 1902, was featured as a Sherlock Holmes antagonist in René Réouven's L'Assassin du Boulevard?
• Bandung in Indonesia was dubbed the "Paris of Java" (Parijs van Java) in the 1920s due to the European ambience of Braga Street?
• Honoré de Balzac once observed that "the heart of Paris today beats between rue de la Chaussée-d'Antin and rue du Faubourg Montmartre"?
• Mexican cuisine celebrity chef and author Marcela Valladolid has also been classically trained as a pastry chef in Paris?
• Paris currently has more than 360 working fountains, including one, the Fontaine des Innocents (pictured), in use since the 16th century?
• Paris has held six BIE-sanctioned world's expositions, but the most recent was in 1937?
• Paris-based Naye Prese was the sole Yiddish-language communist daily newspaper in Europe during the interbellum period?
• Peter Paul Rubens produced a series of paintings depicting episodes from Marie de' Medici's life for the Luxembourg Palace in Paris?
• Philippe Égalité's Château du Raincy near Paris contained an outcrop of houses scored to resemble traditional Russian log huts?

Athens

• Brigadier Ronnie Tod was awarded the freedom of Athens by Archbishop Damaskinos in 1944?
• American statesman John Milledge named Athens, Georgia, the city surrounding the University of Georgia, after Athens, Greece, the city of Plato's Academy?
• Epimachus of Athens, an ancient Athenian engineer, constructed the Helepolis, which remains the largest siege machine ever built, at over 60 feet in width and 125 feet in height?
• after previously competing at the 2004 games in Athens, Brooklyn-bred Erinn Smart and her brother Keeth are again part of the U. S. Olympic fencing team at Beijing?
• during World War II, the SS-run Haidari concentration camp near Athens was so infamous that it became known as the "Bastille of Greece"?
• the 1st century Greek historian Nicolaus of Damascus reported the embassy of holy men from India to the Levant, Athens and Rome during the time of Jesus?
• the International Olympic Committee has shortlisted five cities — Athens, Bangkok, Moscow, Singapore and Turin — out of nine bids to host the first Youth Olympic Games in 2010?
• the Athenian coup of 411 BC temporarily replaced the democratic government of Athens with a narrow oligarchy?
• the Panhellenic Union of Fighting Youths, a Greek Resistance organization, set a bomb that destroyed the headquarters of the pro-Nazi ESPO organization in the very centre of occupied Athens?
• the Plague of Athens devastated ancient Athens in 430 BC, perhaps leading ultimately to the city's defeat in the Peloponnesian War?

Prague

• British architect Jan Kaplický escaped from Prague to London in the wake of the Prague Spring, carrying only US$100 and a few pairs of socks?
• Mozart was a frequent guest at the villa Bertramka on the outskirts of Prague and that the house is now a museum in his memory?
• Josef Smrkovský boasted he had kept American units away from Prague in 1945, allowing the liberation of the city by the Red Army, and then in 1968 he and Dubček became the most popular politicians of the Prague Spring?
• In Dreams, the debut album by British child star Joseph McManners, was recorded in Prague and features music by the Prague Philharmonic Orchestra?
• the Silesian Duke Henry V the Fat spent some of his youth at the court of Ottokar II of Bohemia in Prague?
• the Prague trade union centre Odborové sdružení českoslovanské was founded in 1897, as Czech unionists considered that the Austrian unions were neglecting them?
• the Neo-Renaissance architectural style encompasses such dissimilar structures as the Opera Garnier and Hôtel de Ville in Paris, the National Theatre in Prague, the Reichstag in Berlin, Mentmore Towers near London, Vladimir Palace in Saint Petersburg, and the Public Library in Boston?
• the Sex Machines Museum, opened in 2002 in Prague, has a collection of approximately 200 sex devices?