When did the referendum on Brexit take place?

Correct option is C

The referendum on Brexit, which determined whether the United Kingdom should leave the European Union, took place on June 23, 2016.
· During this referendum, British citizens voted to decide whether the UK should remain a member of the EU or leave it.
· The result of the referendum was in favor of leaving the EU, with 51.9% of voters choosing to leave. This historic event has had significant political, economic, and social implications for both the UK and the EU.