many happy returns

Etymology
The earliest attributable use was by Lady Newdigate in a letter written in 1789 (and published in Newdigate-Newdegate Cheverels in 1898) : Many happy returns of ye day to us my Dr Love.

Translations

 * Finnish: paljon onnea
 * Greek:
 * Hebrew:
 * Hungarian: Isten éltessen (sokáig)!
 * Latvian: daudz baltu dieniņu
 * Manx: laa ruggyree sonney dhyt
 * Polish: sto lat
 * Romanian: mulți ani înainte
 * Russian: долгих лет жизни