Happy Valley is a city that is located in Oregon. As of the 2010 census it had a population of 13,903.
If it is the name then it is proper and should be capitalized Happy Valley but if you are saying, I saw a happy valley as in the valley was happy then it is common.
Happy Valley Reservoir was created in 1897.
Happy Valley Beijing was created in 2006.
Happy Valley Shanghai was created in 2009.
Happy Valley AA was created in 1950.
Anthem az to happy valley
The duration of A Romance of Happy Valley is 3600.0 seconds.
Happy Valley was in New South Wales, Australia.
Happy Valley-Goose Bay was created in 1941.
A Romance of Happy Valley was created on 1919-01-26.
It is 2,721 miles according to Google Maps.
The motto of Happy Valley-Goose Bay is 'A World of Opportunities'.