At the rally about drafting yeshiva bachurim on March 2, 2014, over 600,000 Jews attended, and the blessing Chacham HaRazim was said. ([two](http://www.jdn.co.il/news/316299) [links](http://www.jpost.com/National-News/Hundreds-of-thousands-turn-out-for-mass-haredi-demonstration-in-Jerusalem-344003))

The blessing was led by Rav Baruch Mordechai Ezrachi, and introduced by Rav  Elimelech Tirnauer. ([Hamodia](http://hamodia.com/2014/03/02/multitude-rallies-protest-governments-anti-religious-policies/))