The name “Euro” was officially adopted for European Currency.
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Virginia became the first state to ratify the Articles of Confederation.
The Anglo-Irish Treaty, agreed to by the British Parliament and Sinn Féin, was ratified.
A five-day pollution red alert was declared in Beijing and 21 other Chinese cities.
The US State Department increased the reward for information on the Islamic State leader Abu Bakr al-Baghdadi to $25 million.
The Great White Fleet began its worldwide navigation.
