The European Investment Bank (Banque Européenne d'Investissement) is the European Union's long-term lending institution established in 1958 under the Treaty of Rome. A policy-driven bank, the EIB supports the EU’s priority objectives, especially European integration and the development of economically weak regions. Recently, the Bank has also been actively supporting European R&D projects as part of EU's objective of building the world's leading knowledge-based economy.