Bill Gates had a pie thrown in his face while visiting EU officials in Brussels, Belgium.
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The EU declared that single-use plastics would be banned by 2021.
The name 'Euro' was officially adopted for European Currency.
The UK's prime minister Boris Johnson compared himself to The Hulk in his efforts to steer the country out of the European Union.
France voted against ratifying the proposed Constitution of the European Union.
Romania and Bulgaria signed the European Union's Treaty of Accession, the last step to joining the Union.
