Helsinki, the capital of Finland since 1812, underwent various historical influences, including Russian governance and the Winter War with the Soviet Union. The city boasts both Lutheran and Orthodox cathedrals, along with modern architectural marvels like the Temppeliaukio Church. With its low pollution, excellent quality of life, and a historic marketplace, Helsinki offers a unique blend of modernity and tradition. Suomenlinna Island, once a military fortress, is now a popular tourist destination, offering museums and picturesque views. Additionally, Helsinki's abundance of parks, islands, and natural beauty make it a standout European city, especially during the late spring and summer.