Today is the 5th anniversary of the signing of the United Nations Declaration on the Rights of Indigenous Peoples. This document was created in 1976, but was not approved by the UN until 2007. At that time 4 countries (Australia, New Zealand, Canada and the United States of America) refused to sign the declaration, though all changed their support in 2009-2010 (generally with qualifications).
Indigenous Foundations has a useful history of UNDRIP to give you the context of the document.
Cultural Survival, a non-profit that works to protect autonomous rights of indigenous peoples, has a blog post today about the significance of this document and the impact it has had.
You can read the full text of the Declaration in a variety of languages (including several indigenous languages) here at the UN Permanent Forum on Indigenous Issues website.