sentences:  Herzl Day () is an Israeli national holiday celebrated annually on the tenth of the Hebrew month of Iyar, to commemorate the life and vision of Zionist leader Theodor Herzl.Herzl's grandfathers, both of whom he knew, were more closely related to traditional Judaism than were his parents.In Zimony (Zemlin), his grandfather Simon Loeb Herzl "had his hands on" one of the first copies of Judah Alkalai's 1857 work prescribing the "return of the Jews to the Holy Land and renewed glory of Jerusalem".