Rabbi Pinsk Karlin and other ultra-Orthodox Jews collect water from a spring to make matzoh, a traditional handmade unleavened bread for Passover, at a mountain spring in the outskirts of Jerusalem. Jews are forbidden to eat leavened foodstuffs during Passover.
Photograph by Ariel Schalit, AP

Why Passover is one of Judaism’s most important holidays

Passover, one of Judaism's most revered holidays, honors the ancient Israelites' freedom from slavery in Egypt.

ByErin Blakemore
April 15, 2024
5 min read

As the days brighten and spring kicks into full swing, Jews all over the world prepare for Passover, a weeklong holiday that is one of Judaism’s most widely celebrated and most important observances. Also known by its Hebrew name Pesach, Passover combines millennia of religious traditions—and it’s about much more than matzoh and gefilte fish.

The origins of Passover

The story of Passover can be found in the book of Exodus in the Hebrew Bible, which relates the enslavement of the Israelites and their subsequent escape from ancient Egypt.

Fearing that the Israelites will outnumber his people, the Egyptian Pharaoh enslaves them and orders every newly born Jewish son murdered. One son is Moses, whose birth has been foretold as the savior of the Israelites. He is saved and raised by the pharaoh’s daughter.

William Brassey Hole's "The Passage of the Red Sea" depicts the biblical story from Exodus in which God, acting through Moses, parts the Red Sea to allow the Israelites to cross to safety out of Egypt.
Lebrecht History / Bridgeman Images

In adulthood, God speaks to Moses, urging him to tell Pharaoh to let his people go. But the pharaoh refuses. In return, God brings ten consecutive plagues down on Egypt (think: pestilence, swarms of locusts, and water turning to blood), but spares the Israelites. 

(Who was the Egyptian Pharaoh who challenged Moses?)

During the final plague, an avenging angel goes door to door in Egypt, smiting every household’s firstborn son. God has other plans for the Israelites, instructing Moses to tell them to slaughter a lamb, then brush its blood on the sides and tops of their doorframes so that the avenging angel will “pass over.” Then they are to eat the sacrificial lamb with bitter herbs and unleavened—without yeast—bread. This is the last straw for Pharaoh, who frees the Israelites and banishes them from Egypt.

What’s on a seder plate

Modern Passover celebrations commemorate and even reenact many of the biblical events. The seder (“order”), the ritual meal that is the centerpiece of Passover celebrations, incorporates foods that represent elements of the story. 

Bitter herbs (often lettuce and horseradish) stand for the bitterness of slavery. A roasted shank bone commemorates the sacrificial lamb. An egg has multiple interpretations: Some hold that it stands for new life, and others see it as standing for the Jewish people’s mourning over the struggles that awaited them in exile. Vegetables are dipped into saltwater representing the tears of the enslaved Israelites. Haroset, a sweet paste made of apples, wine, and walnuts or dried fruits, represents the mortar the enslaved Israelites used to build Egypt’s store cities.

The centerpiece of modern Passover celebrations is the seder, a ritual meal commemorating the Israelites' escape from enslavement in Egypt. The dinner involves readings from a manuscript called the Haggadah. The Sarajevo Haggadah, pictured here, is one of the oldest, dating back to the 14th century.
Photograph by Zev Radovan, Bridgeman Images

During a traditional seder, participants eat unleavened bread, or matzoh, three times, and drink wine four times. They read from a Haggadah, a guide to the rite, hear the story of Passover, and answer four questions about the purpose of their meal. Children get involved, too, and search for an afikomen, a piece of broken matzoh, that has been hidden in the home. Every seder is different, and is governed by community and family traditions. 

(This is the crummy history of matzoh.)

How is Passover celebrated

Passover observances vary in and outside of Israel. The holiday lasts one week in Israel and eight days in the rest of the world, in commemoration of the week in which the Israelites were pursued by the Egyptians as they went into exile. 

During those days, many Jews refrain from eating leavened bread; some also abstain from work during the last two days of Passover and attend special services before and during Passover week. Orthodox and Conservative Jews outside of Israel participate in two seders; Reform Jews and those inside Israel only celebrate one. 

(See inside an ancient Passover tradition according to biblical law.)

But no matter where or how you observe Passover, its celebrations underscore powerful themes of strength, hope, and triumph over adversity and anti-Semitism.

This article was originally published April 2022 and was updated April 2024.

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