On December 18, 1865, following its ratification earlier in the month, the 13th Amendment to the Constitution takes effect, ensuring that "neither slavery nor involuntary servitude... shall exist within the United States."
On December 18, 1916, the Battle of Verdun ends with the French and Germans each having suffered more than 330,000 killed and wounded in 10 months.
On December 18, 1956, Japan is admitted to the United Nations.
On December 18, 1957, the first full-scale commercial nuclear power station in the United States opens at Shippingport, Pennsylvania. It produces 60,000 kilowatts of electricity.
On December 18, 1916, the Battle of Verdun ends with the French and Germans each having suffered more than 330,000 killed and wounded in 10 months.
On December 18, 1956, Japan is admitted to the United Nations.
On December 18, 1957, the first full-scale commercial nuclear power station in the United States opens at Shippingport, Pennsylvania. It produces 60,000 kilowatts of electricity.