Beethoven's 'Ode to Joy', without lyrics, became the EU's official anthem in 1985. Listen and read more here.
The European flag symbolises both the European Union and, more broadly, the identity and unity of Europe.
Find out about European years, an initiative by the EU to encourage dialogue in EU countries on an issue proposed by the European Commission.
"United in diversity" was adopted as the European Union's motto in 2000. Learn more here.