2017 in Finland

Incumbents

• President - Sauli Niinistö
• Prime Minister - Juha Sipilä
• Speaker - Maria Lohela

Events

February

• 4 February – The 2017 Social Democratic Party of [Finland leadership election] was held.
• 22 February – Opening ceremony of the FIS Nordic World Ski Championships 2017, hosted in Lahti.

March

• 1 March – Same-sex marriage is legalized in Finland.
• 28 March – AS Long as Possible, a GIF-based artwork scheduled to play for 1000 years, launches at the Finnish National Gallery.

April

• 9 April – 2017 Finnish municipal elections were held for all 295 municipalities.

June

• 9 June – The Helsinki Air Show was held in Kaivopuisto, Helsinki, Finland in honor of Finland's 100th anniversary. Attracting 130,000 spectators, it was the largest mass gathering in Finland's history.
• 10 June – 2017 Finns Party leadership election was won by Jussi Halla-aho.
• 12 June – 2017 Finnish government crisis occurred following the Finns Party leadership election. The crisis resulted in a breakdown of the coalition government and resolved on June 13.

August

• 9–13 August –The 75th World Science Fiction Convention was held at the Helsinki Exhibition and Convention Centre.
• 18 August – 2 people are killed and 8 injured in Turku in the first terrorist attack in Finland since World War II.

December

• 6 December – Finland celebrates 100 years of independence; the Finnish Prime Minister's Office had earlier created the Finland 100 Years organization to arrange a series of jubilee events.

Deaths

• May 12: Mauno Koivisto, Finnish politician, former president