Bangabandhu was assassinated by army officials on this day in 1975 along with his wife Fazilatunnesa Mujib, sons Sheikh Kamal, Sheikh Jamal and Sheikh Russell, daughters-in-law Sultana Kamal and Rosy Jamal, and sixteen other who were present at the house.
His two daughters Prime Minister and Awami League President Sheikh Hasina and Sheikh Rehana survived because they in Germany during the assassination.
In separate messages on the eve of the National Mourning Day, President Abdul Hamid and Prime Minister Sheikh Hasina recalled with gratitude Bangabandhu Sheikh Mujibur Rahman's long and eventful political career and his immense contributions and dedication to the independent movement for a sovereign Bangladesh.
To observe the day, ruling Awami League, its student wing, associate bodies and other like-minded pro-liberation, democratic and progressive political parties, social, cultural and different professional organisations and associations have arranged various programmes across the country.
All the programmes has been convened cooperating with government agencies concerned, says a press release.
The programmes will be begin with hoisting of the National Flag at half-mast and raising black flags atop all public and private buildings including Bangabandhu Bhaban at Dhanmondi and all Bangladesh Missions abroad.
President Abdul Hamid and Prime Minister Sheikh Hasina will lay wreaths at the portrait of Bangabandhu at Bangabandhu Memorial in Dhanmondi at 6:30am.
Prime Minister will also lay wreaths at the graves of her family members at Banani Graveyard in the capital at 7:30am, while she will be also offer prayers there.
The ruling Awami League central leaders will place wreaths at the Mausoleum of Bangabandhu at Tungipara in Gopalganj district at 10am, and attend a milad and doa mahfil at the Mausoleum at 11am.