In number theory, a Heegner number is a square-free positive integer such that the imaginary quadratic field has class number . Equivalently, its ring of integers has unique factorization.
The Saimaa Canal is a transportation canal that connects lake Saimaa with the Gulf of Finland near Vyborg, Russia. The canal was built from 1845 to 1856 and opened on 7 September 1856 . It was overhauled and widened in 1963–1968.
Meilahti is a neighbourhood of Helsinki between Mannerheimintie and a bay named Seurasaarenselkä. Most of the houses in Meilahti were built in the 1930s and 1940s. Meilahti is home to over 6700 people. Meilahti is the location of Mäntyniemi, official residence of the President of Finland, as well as Kesäranta, the official residence of Prime Minister of Finland. Near Mäntyniemi is the former presidential residence, Tamminiemi, which is today a museum dedicated to president Urho Kekkonen.
The Finnish Academy of Science and Letters is a Finnish learned society. It was founded in 1908 as a Finnish-language counterpart of the Swedish-language Finnish Society of Sciences and Letters, which had existed since 1838.
At the 1928 Summer Olympics in Amsterdam, seven fencing events were contested, six for men and one for women.
Lycée franco-finladais d'Helsinki is a Franco-Finnish school in Helsinki, Finland founded by French Catherine Servé in 1947. It is run by the Finnish state since 1977 with a Finnish school system, the Republic of France paying wages of 7-10 teachers. Students graduating there receive the Finnish matriculation examination and French government give to students the diploms of equal value of French baccalauréat.
Harju is a quarter of Helsinki, Finland. It is located northeast from the city centre, part of Alppiharju neighbourhood, between the quarters of Alppila, Torkkelinmäki, Linjat and neighbourhoods Sörnäinen and Vallila. Harju has a population of 7,237 and an area of 0.27 km².
Hernesaari (Finnish), Ärtholmen (Swedish) is a quarter in Helsinki, Finland.
Etelä-Haaga (Finnish), Södra Haga (Swedish) is a neighborhood of Helsinki, Finland.
Kivihaka (Finnish), Stenhagen (Swedish) is a neighborhood of Helsinki, Finland.
Pohjois-Haaga (Finnish), Norra Haga (Swedish) is a neighborhood of Helsinki, Finland.
Kuusisaari (Finnish), Granö (Swedish) is an island and a neighborhood of Helsinki, Finland. It has the highest average income of all the Helsinki metropolitan area. Many foreign embassies are located in Kuusisaari.
Maununneva (Finnish), Magnuskärr (Swedish) is a neighborhood of Helsinki, Finland.
Hakuninmaa (Finnish), Håkansåker (Swedish) is a quarter of Helsinki, Finland.
The Pitäjänmäki industrial area is a western neighborhood of Helsinki, Finland. It is located in Pitäjänmäki district.
Pirkkola (Finnish), Britas (Swedish) is a northern neighborhood of Helsinki, Finland.
Veräjämäki (Finnish) or Grindbacka (Swedish) is a neighborhood of Helsinki, Finland.
Haltiala (Finnish), Tomtbacka (Swedish) is a northwestern neighborhood of Helsinki, Finland.
Siltamäki (Finnish), Brobacka (Swedish) is a northern neighborhood of Helsinki, Finland.
Itä-Pasila (Finnish), Östra Böle (Swedish) is a neighborhood of Helsinki, Finland.
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