Nyckeln collapses 1990

Nyckeln collapses: On 24 September, finance company Nyckeln suspended payments with 3 billion kronor in debt, triggering the chain reaction recognised as the start of the 1990–1994 Swedish financial crisis.

In the chronology of the Swedish model, this anchors 1990 under Ingvar Carlsson as a year shaped by institutions, public conflict, reform, or security policy rather than cabinet arithmetic alone.

Source confidence is B: the basic event is promoted, while broader interpretation still depends on the cited source tier and later primary-source upgrades.