The currency of the proposed European Monetary Union will be

The currency of the proposed European Monetary Union is the euro. The Maastricht Treaty paved the way for creation of a single European currency — explicitly referred to as the euro — as part of the European Union’s deeper integration agenda [1]. The euro was formally introduced as the new common currency for participating EU members (accounting start in 1999 and physical notes and coins circulated from 2002), replacing national currencies in the founding members and serving as the single monetary unit of the EMU [2]. Thus, among the given choices (Dollar, Euro, Guilder, Mark), “Euro” is the correct answer.

Sources

1. [1] History , class XII (Tamilnadu state board 2024 ed.) > Chapter 15: The World after World War II > European Union Flag - Euro Currency > p. 258
2. [2] Contemporary World Politics, Textbook in political science for Class XII (NCERT 2025 ed.) > Chapter 2: Contemporary Centres of Power > TIMELINE OF EUROPEAN INTEGRATION > p. 18