Look up tranquility in Wiktionary, the free dictionary.

Tranquility or tranquillity may refer to:

• Tranquillity, a state of calmness
• Tranquillity, California, a census-designated place in Fresno County
• Tranquility Base, where Apollo 11 landed on the moon
• Mare Tranquillitatis, better known as Sea of Tranquility
• tranquility (computer game)
• Dark Tranquillity, a Swedish melodic death metal band
• Tranquility (formerly known as Node 3), a module scheduled for the International Space Station

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