• In the wake of the Napoleonic wars, Switzerland's borders and neutrality are established at the Congress of Vienna.
  • Switzerland and Liechtenstein form a customs union, which establishes a common economic and currency area.
  • Switzerland becomes a founding member of the European Free Trade Association (EFTA).

  • Switzerland joins the World Bank and International Monetary Fund (IMF), but rejects membership of the European Economic Area.

  • Switzerland officially becomes a member of the United Nations.
  • A referendum vote approves opening the Swiss job market to workers from the 10 newest European Union countries.

  • The government announces that the Swiss franc will be pegged to the euro, after Swiss manufacturers warn that the currency's strength is making exports uncompetitive.
  • The government announces that the Swiss franc will now be pegged to the euro.

  • The government re-imposes immigration quotas on workers from central and eastern European Union countries.

  • Steep depreciation of the euro prompts the Swiss National Bank to abruptly terminate the pegging of the franc to the euro. This move causes the franc to soar, prompting warnings of severe damage to Switzerland's struggling tourism and export sectors.

Sources:

BBC News open_in_new
Britannica open_in_new