context: The Treaty on the Non-Proliferation of Nuclear Weapons (NPT or NNPT) (also called the Treaty on the Non-Proliferation of Nuclear Weapons) is an international treaty, signed on July 1, 1968 to reduce the proliferation of nuclear weapons That threatens world peace and the future of humankind. To date, 189 countries have signed the agreement. Nevertheless, outside the agreement, there are still two nuclear states that are certain (who possess authorized nuclear tests), India and Pakistan, and a possible nuclear country, Israel (Israel has not yet declared its possession of nuclear weapons despite many indications that confirm this). One of the potential nuclear power parties, North Korea, is also still outside the agreement. The agreement was proposed by Ireland and Finland was the first to sign it.
question: When was the NPT established?
answers.text: July 1, 1968