[3] The civil initiative for the establishment of the party was launched by former Croatian People's Party – Liberal Democrats (HNS) chief Radimir Čačić and his associates Natalija Martinčević and Petar Baranović.

[6] Ahead of the 2015 parliamentary election the party formed a coalition, "Successful Croatia", with the centre-left Forward Croatia-Progressive Alliance.

[7] In the 2015 election, the party won one seat in the Croatian Parliament in the III electoral district, held by Radimir Čačić.

Party participated at the 2016 extraordinary parliamentary election as part of the For Prime Minister Coalition led by Mayor of Zagreb Milan Bandić, and eventually won 1 seat.

NS-R also entered many county, city, and municipal councils, mostly in Northern Croatia.