Soon afterwards Verwoerd announced a referendum on whether the country should become a republic.

The law also lowered the number of Seimas votes needed to announce a referendum from one third to one forth.

King Birendra announced a referendum to choose between the panchayat system and one that would permit political parties to operate.

In order to obtain a republic, Nkrumah announced a popular referendum, though others taking this step had not considered a referendum necessary.

Correa announced a constitutional referendum, which took place on 7 May 2011.

Prime Minister Verwoerd announced a referendum on whether the country should become a republic.

So when the Scottish Government announce a referendum on Independence.

He cites the anti-Government riots and announces a referendum on one-party rule.

Instead, the President has announced a referendum using language formulated by his Government.

He has announced a referendum on his proposal to be held on 7 November.