Sea of Tranquility

Etymology
(spelled with one L), from +. Coined by Italian Jesuit astronomer, by labelling a map created by Italian Jesuit optician , and then published in 1651 in the .

Proper noun

 * 1)  ; location of the first manned moon landing, in 1969.

Translations

 * Finnish: Rauhallisuuden meri
 * French: Mer de la Tranquillité
 * German: Meer der Ruhe
 * Italian: Mare della Tranquillità
 * Latin: Mare Tranquillitātis
 * Portuguese: