Re: hazrat ali roza
the site at Mazar e Sharif in Afghanistan goes back abt 8 centuries when a local man saw a dream indicating that Imam Ali AS was buried near where there is a shrine in Afghanistan…a turk king of the time built a tomb at where this man suggested the grave was however the books of history do not back this claim and this man’s dream is pretty much the only source indicating whats known abt Mazar e Sharif…apparently there is a place is Kazakhystan too where they also claim to have grave of Imam Ali AS but it seems highly unlikely to me on simple ground that both Afghanistan and Kazakhistan are seriously far from where Imam Ali AS was martyred…
as for Najaf…although Imam Ali AS was buried in secrecy but a few close individuals remained informed of his site of burial… this site was made public abt less than 2 centuries later during the time of Harun ar Rashid (by Harun himself) and confirmed as the actual site by Imam Sadiq AS… Harun Rashid was the first one to order building a tomb over the grave…