Last modified: 2014-10-13 13:45:47 UTC
Put years between 1845 to 1860 with wikidata's JS UI is not possible. According to http://www.mediawiki.org/wiki/Wikibase/DataModel#Dates_and_times we should have a possibility to add range of time by "before" and "after" variables.
*** This bug has been marked as a duplicate of bug 61909 ***