The name “Euro” was officially adopted for European Currency.
Source
Vasco da Gama became the first European to sail along Africa's East Coast.
The Pioneer 6 space probe was launched atop a Delta-E rocket.
The Great White Fleet began its worldwide navigation.
The Anglo-Irish Treaty, agreed to by the British Parliament and Sinn Féin, was ratified.
Virginia became the first state to ratify the Articles of Confederation.
