All times in UTC ·
Dashed edge = started before, or continues beyond, this day
Events on Thursday 11 January 1923 1
1923French occupation of the Ruhr beginsFrench and Belgian troops occupy Germany's industrial heartlandFrance and Belgium sent troops into the Ruhr valley after Germany defaulted on reparations payments set by the Treaty of Versailles. German workers responded with passive resistance and a general strike, deepening the economic crisis and accelerating hyperinflation. The occupation lasted until 1925.