π What Is Brexit?
Brexit is the term for Britain’s exit from the European Union (EU), following a 2016 public referendum where 52% voted to leave.
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Referendum Date: June 23, 2016
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Leave Vote: 52%
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Remain Vote: 48%
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Official Exit Date: January 31, 2020 (UK formally left the EU)

π Timeline of Key Events
Year | Event |
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2016 | Referendum held – UK votes to leave EU |
2017 | UK triggers Article 50 of the Lisbon Treaty |
2019 | Theresa May resigns; Boris Johnson becomes PM |
2020 | UK officially leaves the EU (Brexit Day – Jan 31); Transition period begins |
2021 | EU-UK Trade and Cooperation Agreement comes into effect |
2022–2023 | Continued tensions over Northern Ireland Protocol |
2024 | Labour government under Keir Starmer begins to renegotiate closer EU ties |
2025 | UK still outside the EU, but talks ongoing for deeper economic alignment |
π Key Issues and Outcomes
1. Trade & Economy
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UK left the EU single market and customs union.
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New customs checks, tariffs avoided via the trade deal, but trade friction increased.
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London lost some financial influence, while EU cities like Frankfurt and Paris gained.
2. Northern Ireland Protocol
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Special arrangement to avoid a hard border on the island of Ireland.
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Created a de facto trade border in the Irish Sea, angering unionists.
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Ongoing political and legal disputes between UK and EU over its implementation.
3. Immigration
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End of free movement between the UK and EU.
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UK now uses a points-based immigration system.
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Significant drops in EU nationals working in UK sectors like agriculture, hospitality, and healthcare.
4. Sovereignty vs. Cooperation
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UK regained control over its laws and borders.
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But has less influence on European regulations it still has to comply with in trade.
π¬π§ Brexit in 2025: Where Things Stand
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UK is not seeking to rejoin the EU, but the Labour government is pursuing closer cooperation, especially on:
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Trade and regulatory alignment
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Mobility and youth exchanges (like Erasmus)
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Security and climate policy
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Economic impact: GDP growth remains lower than pre-Brexit projections, especially in services and exports.
π Broader Impacts of Brexit
Sector | Impact |
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Politics | UK political realignment, rise and fall of populism |
EU Unity | Strengthened EU identity; other “exit” movements faded |
Global Trade | UK pursuing deals (e.g., CPTPP, U.S., India, Australia) |
Geopolitics | Reduced UK influence in European foreign policy coordination |