Last fire at al-Aqsa mosque was on Elul 29 Shemitah year "day of extraction.... 9/13/2015

Israel's assault on al-Aqsa mosque 'worst since 1969'

https://www.alaraby.co.uk/english/politics/2015/9/14/israels-assault-on-al-aqsa-mosque-worst-since-1969