Other shops like Bandcamp or iTunes usually have the release date in the page, if the album is only on loudr you can find it by looking at the page source, for example for this one:
Code:
<meta property="music:release_date" content="2013-12-27T00:00:00" />
This information is probably entered by the submitter so it might not be accurate in some cases, but if you can't find anything else it should be fine.
EDIT: same date on iTunes
https://itunes.apple.com/us/album/fi...ed/id789891792