In the following years he was chairman of the committee that came up with the suggestion of an eight-hour work day in 1919, which strengthened his ties to the social democrats.

The sitting prime minister Hjalmar Branting had to resign after the election loss in 1920, but stalled the process just to block a right-wing government.

The Head of State, King Gustav V, queried the party leaders about the conditions of the party-based parliament.

The king called De Geer to the office of prime minister, in a coalition government of liberals and moderate conservatives.

In the early 1900s Louis De Geer was everything a politician should be: from a noble family and a high-ranking government official.