Firstly World Hypertension Day inaugurated in May 2005 and has become an annual event ever since. The aim of the World Hypertension Day is to promote public alertness of high blood pressure and to promote citizens of all countries to prevent and control this silent killer, the modern epidemic.World Hypertension Day was initiated firstly by the World Hypertension League.High blood pressure (hypertension) is considered as the silent killer since it has no apparent symptoms. Investigations show that the disease involves more than 1.5 billion people global, and around seven million people die every year from hypertension.

Nasri H. Know your blood pressure; the theme of world hypertension day 2014.Iran J Public Health. 2014 Aug; 43(8):1154-6.