According to Jewish tradition, King David, who ruled for 40 years was born as well as passed away on Shavuot.

David was the youngest of Yishai’s sons and he was in charge of shepherding the flocks.

David’s experience as a shepherd gave him the courage to fight against Goliat as we read in Shmuel Alef 17:34-37:

David said to Shaul, “Your servant was a shepherd for his father among the flocks;........

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