Given a sentence in Hindi(hi), give the translation of the sentence in English(en) as output
Q: गुरुनानक देव जी ने कई महत्वपूर्ण धार्मिक यात्राए की, जिन्हें उदासी कहा जाता है 
A: 
Guru Nanak Ji undertook many significant spiritual journeys called Udaasi.