1The government has announced plans to hold a national referendum on the proposed changes to the constitution.
2Was the outcome of the referendum on Scottish independence a surprise to many observers?
3The decision to hold a referendum on EU membership was widely seen as a gamble by the prime minister.
4Some argue that referendums are an essential tool of direct democracy, while others see them as a threat to representative democracy.
5The result of the referendum on the new trade agreement will have significant implications for the country's economic future.