International Day for Biological Diversity (The International Day for Biological Diversity) was first celebrated on December 29, 1993 based on the determination of the Second Committee of UN General Assembly in 1993. Determination dated December 29 as the World Biodiversity Day coincided with the implementation of About • Biodiversity Convention (COP-Convention on Biological Diversity).
But in Deseber 2000, the United Nations adopted on 22 May as International Day for Biological Diversity (The International Day for Biological Diversity). This deals with the difficulties many countries to plan and implement the International Day for Biological Diversity on 29 December to coincide with a holiday to remember the end of the year.