Claim: The Swedish Confederation of Professional Employees, which oversees more than ten different Swedish trade unions that focus on professional employees, was founded in 1900 and had over a million members as of 2018.
Evidence: The Confederation of Professional Employees (Swedish: Tjänstemännens Centralorganisation, TCO) is a national trade union centre, the umbrella organisation for 13 trade unions in Sweden that organise professional and other qualified employees in both the private and the public sectors. 1931