World Hypertension Day is observed annually on ________ date ? By taleemified - May 21, 2020 84 (a) 14 May (b) 15 May (c) 16 May (d) 17 May World Hypertension League (WHL) annually on 17 May to spread awareness about hypertension disease, its prevention, detection and control. The main risk factor to develop the cardiovascular disease is high blood pressure.