▁ 1 8 1 5 : ▁requested ▁by ▁Pope ▁P ius ▁VII ▁to ▁mark ▁the ▁rest oration ▁of ▁the ▁Pap al ▁States . ▁▁ 4 ▁January ▁ 1 8 2 2 : ▁to ▁celebr ate ▁the ▁acc ession ▁of ▁Charles ▁Felix , ▁King ▁of ▁S ardin ia . ▁▁ 4 ▁May ▁ 1 8 4 2 : ▁to ▁celebr ate ▁the ▁marriage ▁of ▁Victor ▁Em manuel ▁II , ▁then ▁Duke ▁of ▁Sav oy . ▁▁ 2 4 – 2 7 ▁April ▁ 1 8 6 8 : ▁to ▁celebr ate ▁the ▁marriage ▁of ▁Hum bert ▁I , ▁King ▁of ▁Italy . ▁▁ 2 5 ▁May – 2 ▁June ▁ 1 8 9 8 : ▁to ▁comm emor ate ▁the ▁ 4 0 0 th ▁anni versary ▁of ▁the ▁Tur in ▁C athedral ▁and ▁ 5 0 th ▁anni versary ▁of ▁Italy ' s ▁Stat uto ▁Albert ino ▁constitution . ▁Second o ▁Pia ▁took ▁the ▁very ▁first ▁photograph ▁of ▁the ▁S hr oud . ▁▁▁ 2 0 th ▁century ▁▁ 3 – 2 4 ▁May ▁ 1 9 3 1 : ▁to ▁celebr ate ▁the ▁marriage ▁of ▁Um berto ▁II , ▁then ▁Prince ▁of ▁P ied mont . ▁The ▁S hr oud ▁is ▁photograph ed ▁for ▁the ▁second ▁time ▁( by ▁Giuseppe ▁En rie ). ▁▁ 2 4 ▁September – 1 5 ▁October ▁ 1 9 3 3 : ▁requested ▁by ▁Pope ▁P ius ▁XI ▁to ▁mark ▁the ▁nin ete enth ▁cent en ary ▁of ▁the ▁Res urre ction . ▁▁ 2 6 ▁August