A Jewish man holding up a Torah scroll as they  perform the Cohanim prayer (priest's blessing) during the Pesach (Passover) holiday at the Western Wall in the Old City of Jerusalem, 2015. (Credit: Menahem Kahana/AFP/Getty Images)
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Introduction

Judaism is the world’s oldest monotheistic religion, dating back nearly 4,000 years. Followers of Judaism believe in one God who revealed himself through ancient prophets. History is essential to understanding the Jewish faith, which is embedded in tradition, law and culture.

Jewish people believe there’s only one God who’s established a covenant—or special agreement—with them. Their God communicates to believers through prophets and rewards good deeds while also punishing evil.

Most Jews (with the exception of Messianic Jews and a few other groups) believe that their Messiah hasn’t come—but will one day.

Today, there are about 14 million Jews worldwide. Most of them live in the United States and Israel. Traditionally, a person is considered Jewish if his or her mother is Jewish.

The Jewish sacred text is called the Tanakh or the “Hebrew Bible.” It includes the same books as the Old Testament in the Christian Bible, but they’re placed in a slightly different order.

The Torah—the first five books of the Tanakh—outlines laws for Jews to follow. It’s sometimes also referred to as the Pentateuch.

Jewish people worship in holy places known as synagogues, and their spiritual leaders are called rabbis. The six-pointed Star of David is the symbol of Judaism.

The origins of Jewish faith are explained throughout the Torah. According to the text, God first revealed himself to a Hebrew man named Abraham, who became known as the founder of Judaism.

Jews believe that God made a special covenant with Abraham and that he and his descendants were chosen people who would create a great nation.

Abraham’s son Isaac, and his grandson Jacob, also became central figures in ancient Jewish history. Jacob took the name “Israel,” and his children and future generations became known as Israelites.

More than 1,000 years after Abraham, the prophet Moses led the Israelites out of Egypt after being enslaved for hundreds of years.

According to scriptures, God revealed his laws, known as the Ten Commandments, to Moses at Mt. Sinai.

Around 1000 B.C., King David ruled the Jewish people. His son Solomon built the first holy Temple in Jerusalem, which became the central place of worship for Jews.

The kingdom fell apart around 931 B.C., and the Jewish people split into two groups: Israel in the North and Judah in the South.

Sometime around 587 B.C., the Babylonians destroyed the first Temple and sent many Jews into exile.

A second Temple was built in about 516 B.C. but was eventually destroyed by the Romans in 70 A.D.

The destruction of the second Temple was significant because Jewish people no longer had a primary place to gather, so they shifted their focus to worshipping in local synagogues.

While the Tanakh (which includes the Torah) is considered the sacred text of Judaism, many other important manuscripts were composed in later years. These offered insights into how the Tanakh should be interpreted and documented oral laws that were previously not written down.

Around 200 A.D., scholars compiled the Mishna—a text that describes and explains the Jewish code of law that was previously orally communicated.

Later, the Talmud, a collection of teachings and commentaries on Jewish law, was created. The Talmud contains the Mishnah and another text known as the Gemara (which examines the Mishnah). It includes the interpretations of thousands of rabbis and outlines the importance of 613 commandments of Jewish law.

The first version of the Talmud was finalized around the 3rd century A.D. The second form was completed during the 5th century A.D.

Judaism embraces several other written texts and commentaries. One example is the 13 Articles of Faith, which was written by a Jewish philosopher named Maimonides.

Throughout history, Jewish people have been persecuted for their religious beliefs. Some well-known events include:

1066 Granada Massacre: On December 30, 1066, a Muslim mob stormed the royal palace in Granada and killed more than 1,000 Jewish families. The group also kidnapped and crucified Joseph ibn Naghrela, the Jewish vizier to the Berber king.

The First Crusade: In the first of the Crusades—a series of medieval holy wars involving Christians and Muslims—thousands of Jews were killed, and many were forced to convert to Christianity.

The Spanish Expulsion: In 1492, Spain’s rulers issued a royal edict that declared all Jews who refused to convert to Christianity would be expelled from the country. Experts estimate about 200,000 people were ousted and tens of thousands died while trying to reach safety.

The Holocaust: In the Holocaust, the most well-known act of modern-day atrocities, the Nazis murdered more than 6 million Jews.

During and after the Holocaust, many Jews returned to their homeland (in the Middle East region known as Palestine) and embraced Zionism, a movement for the creation of a Jewish nation that emerged in 19th-century Europe.

In 1948, Israel officially became an independent state. David Ben-Gurion, one of the leading promotors of a Jewish nation state, was given the title of prime minister.

This event was considered a success for the Jewish people who had tirelessly petitioned for an independent state in their homeland. However, tensions between Jews and Arabs living in Palestine escalated in the years since Israel became a state and are still ongoing today.

There are several sects in Judaism, which include:

Orthodox Judaism: Orthodox Jews are typically known for their strict observance of traditional Jewish law and rituals. For instance, most believe Shabbat shouldn’t involve working, driving or handling money.

Orthodox Judaism is a diverse sect that includes several subgroups, including Hasidic Jews. This form started in the 18th century in Eastern Europe and holds different values than traditional or ultra-Orthodox Judaism. Hasidic Jews emphasize a mystical experience with God that involves direct communion through prayer and worship. Chabad is a well-known Orthodox Jewish, Hasidic movement.

Reform Judaism: Reform Judaism is considered a liberal category of the religion that values ethical traditions over strict observance of Jewish laws. Followers promote progressive ideas and adaptation. Most of the Jews living in the United States follow Reform Judaic traditions.

Conservative Judaism: Many people consider this form of Judaism somewhere in between Orthodox and Reform Judaism. Typically, conservative Jews honor the traditions of Judaism while allowing for some modernization.

Reconstructionist Judaism: Reconstructionism dates back to 1922 when Mordecai Kaplan founded the Society for the Advancement of Judaism. This sect believes that Judaism is a religious civilization that’s constantly evolving.

Humanistic Judaism: Rabbi Sherwin Wine founded this denomination of Judaism in 1963. Humanistic Jews celebrate Jewish history and culture without an emphasis on God.

Messianic Judaism: This modern movement combines the beliefs of Judaism and Christianity. Messianic Jews believe that Jesus Christ was the Messiah but still follow Jewish traditions.

While there are various denominations of Judaism, many Jews don’t identify with a particular classification and simply refer to themselves as Jewish.

The Shabbath, or Shabbat, is recognized as a day of rest and prayer for Jews. It typically begins at sunset on Friday and lasts until nightfall on Saturday.

Observing Shabbat can take many forms, depending on the type of Judaism that a Jewish family may follow. Orthodox and Conservative Jews, for example, may refrain from performing any physical labor, using any electrical device or other prohibited activities.

Most observant Jews celebrate Shabbat by reading or discussing the Torah, attending a synagogue or socializing with other Jews at Shabbat meals.

Jewish people observe several important days and events in history, such as:

Passover: This holiday lasts seven or eight days and celebrates Jewish freedom from slavery in Egypt. Specifically, Passover refers to the biblical story of when the Hebrew God “passed over” houses of Jewish families and saved their children during a plague that was said to have killed all other firstborn babies in Egypt.

Rosh Hashanah: Jews celebrate the birth of the universe and humanity during this holiday, which is also known as the Jewish New Year.

Yom Kippur: This “Day of Atonement” is considered the holiest day of the year for Jews who typically spend it fasting and praying.

The Days of Awe: The 10 days starting with Rosh Hashanah and ending with Yom Kippur are known as the Days of Awe, or Yamim Noraim. This is considered a time of repentance for Jewish people.

Hanukah: A Jewish celebration, also known as the “Festival of Lights,” lasts eight days. It commemorates the rededication of the Jewish Temple in Jerusalem after the Maccabees defeated the Syrian-Greeks over 2,000 years ago.

Purim: This is a joyous and light holiday that celebrates a time when the Jewish people in Persia were saved from extermination.

Religion: Judaism. BBC.
Ancient Jewish Texts. My Jewish Learning.
The Jewish Denominations. My Jewish Learning.
What is Judaism? Chabad.org.
Jewish Sacred Texts. Israel Ministry of Foreign Affairs.
Jewish Population. Judaism 101.