Today is the 34th death anniversary of late president Ziaur Rahman, founder of the Bangladesh Nationalist Party (BNP).
The party and its allied organisations have already chalked out a 15-day programme to observe the day.
The former president Ziaur Rahman was assassinated in 1981 by a group of disgruntled army officers at Chittagong Circuit House on the day.
Dr Asaduzzaman Ripon, International Affairs Secretary and Spokesperson of the BNP, on Friday in a statement asked all of its unit committees of the country to observe the day with due respect and solemnity.
The party flag will be hoisted at half-mast at the central party office at Naya Paltan and all party offices across the country from 6:00am, according to the statement.
BNP Chairperson Khaleda Zia accompanied with the leaders and activists of her party will place wreaths at Zia's grave at Sher-e-Bangla Nagar in the capital at 11:00am on Saturday and offer prayers.
Besides, The Jatiyatabadi Ulama Dal will hold Milad (special religious prayers) and reciting from the holly Quran programme while Doctors Association of Bangladesh (DAB) will hold voluntary blood donation programme at the graveyard site.
Khaleda Zia, also the widow of Ziaur Rahman, will distribute food among the destitute in the capital organised by Dhaka city unit of BNP, after placing wreath at Zia's grave.
The party will also provide free treatment and medicines for patients at the BNP central office at Naya Paltan on Saturday from 10:00am to 4:00pm. 
BNP held a discussion meeting on Zia's life and works at the Institution of Engineers' of Bangladesh auditorium on Thursday.