- The word Bihu is derived from the Deori word Busu. The word Busu means "excessive joy".
- Kolimoti of Kesaikhati Gukhani Thaan is believed to be the creator of Bihu dance.
- The first reference of Bihu was found in a copperplate inscription issued back in 1401 AD, during the time of Chutia king Lakshminarayan.
- Swargadeo Rudra Singha was the first Ahom king to accept Bihu as the national festival of Assam in 1694. Rudra Singha's rule saw the Husori reaching the royal palace.
- Rajanikanta Bordoloi coined the term 'Bapoti Xahun', and he was the first person to mention Bihu as the national festival of Assam in his writings.
- Nip Baruah directed 'Smritir Porosh' (1956) is the first Assamese film to include Bihu.
- The seven days of Rongali Bihu or the Saat Bihu are: Chot Bihu, Goru Bihu, Manuh Bihu, Kutum Bihu, Senehi Bihu, Mela Bihu and Chera Bihu.
- According to Somnath Bora, the tradition of dhol is older than Bihu by four eras.