Today (Sunday) is the 51st birthday of Sheikh Russel, the youngest son of Father of the Nation Bangabandhu Sheikh Mujibur Rahman.On October 18, 1964, Sheikh Russell was born at the historic Bangabandhu Bhaban at Dhanmondi in the capital.Sheikh Russel was killed along with most of his family members, including his father, on August 15, 1975 when he was a student of class IV of University Laboratory School.Awami League, its associate bodies and different socio-cultural organisations have taken up various programmes to celebrate the birthday of Sheikh Russell.The programmes include placing wreaths at his grave at Banani Graveyard, milad and doa mahfils.AL Joint General Secretary Mahbub ul Alam Hanif in a statement on Saturday urged the party leaders, supporters, and well-wishers to observe the day in a befitting manner.