23 Dhu l-Qa’da, 202 AH – Martyrdom of Imam al-Rida (a)

Imam Reza (pbuh)

الْإِمَامُ اَلْمُطَهَّرُ مِنَ اَلذُّنُوبِ وَ اَلْمُبَرَّأُ عَنِ اَلْعُيُوبِ

An Imam is: purified from sins, immune from all flaws
al-Kafi, v. 1, p. 198

23 Dhu l-Qa’da, 202 AH – Martyrdom of Imam al-Rida (a) according to some accounts (June 2, 818)

O’ God bestow upon us the blessing of a pilgrimage to the Holy tomb of Imam Reza (AS)