20 Euros Lithuania's membership in NATO and the EU

Lithuania joined both NATO and the EU in 2004, making 2024 the twentieth anniversary of what was arguably the most consequential geopolitical pivot in the country's post-Soviet history. The accession process had been accelerated in part by security anxieties following the 1999 Kosovo conflict, which hardened Baltic political will toward Western integration. EU membership brought immediate structural fund access; NATO membership brought something harder to quantify but more urgently wanted.

The Lithuanian Mint has issued commemoratives steadily since the litas era, and this silver piece continues that pattern of marking national anniversaries with collector-grade silver rather than circulation coinage.