According to the United Nations:

On 3 December 2018, the United Nations General Assembly adopted with consensus a resolution proclaiming 24 January as International Day of Education, in celebration of the role of education for peace and development.

The adoption of the resolution 73/25 “International Day of Education”, co-authored by Nigeria and 58 other Member States, demonstrated the unwavering political will to support transformative actions for inclusive, equitable and quality education for all.

The UN has more information here and here.

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