The ceremony, attended by Iranian President Hassan Rouhani, was held on the sidelines of the “Sibt-un-Nabi” International Congress in Tehran.
The encyclopedia features articles on various issues related to Shia Islam, Shia characters and shia history.
Launched by the Ahl-ul-Bayt World Assembly, it already contains with 151 articles in English.
To read its articles, log on to www.wikishia.net.
The “Sibt-un-Nabi” International Congress got underway Sunday morning in the Iranian capital of Tehran.
Different themes including Imam Hassan's (AS) imamate, his Seerah and his lifestyle will be discussed in the five committees of the congress.
The main objective of the two-day international congress is to introduce the virtues of Imam Hassan (AS), the second infallible Imam, to the world.