The votes on referendums are always held on a weekend (the voting's official date is set to Sundays), typically three or four times a year, and in most cases, the votes concern several referendums at the same time, usually at different political levels (federal, cantonal, municipal) about several different subjects.
Supreme Council of Crimea considered the ousting of Ukrainian President Viktor Yanukovych in the 2014 Ukrainian revolution as a coup and the new interim government in Kiev as illegitimate and stated that the referendum is a response to these developments [REF].