Which organization has recognised the 7th March Speech of Bangabandhu Sheikh Mujibur Rahman as part of world's documentary heritage?

Which organization has recognised the 7th March Speech of Bangabandhu Sheikh Mujibur Rahman as part of world's documentary heritage? Correct Answer UNESCO

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Related Questions

Which organization has recognized the 7th March Speech of Bangabandhu Sheikh Mujibur Rahman as part of world's documentary heritage?
Which foreign journalist, who died recently ,had taken interview of both Bangabandhu Sheikh Mujibur Rahman and Prime Minister Sheikh Hasina?
From which radio station the 7 March Speech of Bangabandhu Sheikh Mujibur Rahman was broadcasted? (কোন বেতার কেন্দ্র থেকে বঙ্গবন্ধু শেখ মুজিবুর রহমানের ৭ই মার্চের ভাষণ সম্প্রচারিত হয়েছিল?)
The 7th March speech of Bangabandhu, the Father of the Nation, was recognized as part of the world's documentary heritage by-
The 7th March speech of Bangabandhu was recognized as part of the world's documentary heritage by
The 7th March speech of Bangabandhu, the Father of the Nation, was recognized as part of the world's documentary heritage by - 
Which international weekly recognized Bangabandhu Sheikh Mujibur Rahman as 'Poet of Polities' ?
In which year, Father of the Nation Bangabandhu Sheikh Mujibur Rahman received the Julio-Curie award?
I know someone who wrote a book about ----- life of Bangabandhu Sheikh Mujibur Rahman.
When BANGABANDHU Sheikh Mujibur Rahman returned to Bangladesh from imprisonment in Pakistan: