Luxembourg declares independence after four years of German occuption in World War I.
Luxembourg joins the League of Nations.
Luxembourg and Belgium enter an economic union, allowing Luxembourg to use the Belgian currency.
Luxembourg is occupied by German troops during World War II.
Luxembourg forms an economic union with Belgium and the Netherlands.
Luxembourg becomes a member of the North Atlantic Treaty Organization (NATO).
Luxembourg becomes one of the founding members of the European Economic Community, which aims to integrate the economy in Europe among its member states.
Following the crisis of the metallurgy sector, Luxembourg enters a period of recession.
Luxembourg takes part in the Maastricht Treaty creating the European Union (EU).
Luxembourg adopts the euro currency.
Luxembourg is added to a "grey list" of countries with questionable banking arrangements by G20, which is an international forum for the governments and central bank governors from 20 major economies.