The emancipation of European Jews from ghettos became a benchmark of sorts indicating a nation’s transformation from the medieval to the modern. Upon the formation of a secular nation, French Jews received civil rights in 1791 and 1792. Other European nations followed throughout the 19th century. National communities distanced themselves from old forms of Christianity, and they tolerated Jews, albeit with reservations.
Jewish enlightenment (Haskalah)
In Germany, which did not become a unified nation until 1871, Jews were not granted full equality. Rights depended on local municipalities and in some places, Jews were awarded rights only to have them taken away soon after. It is no coincidence that Germany was the birthplace of Reform Judaism. Progressive thinkers sought to transform Judaism from within when they could not stem prejudice against Jews from without.
Moses Mendelssohn pioneered the Jewish Enlightenment, or Haskalah, which advocated many of the same ideas about freedom and equal rights as those that Jean-Jacques Rousseau and Immanuel Kant explored. Mendelssohn openly discussed the ways that Jews could live in a multi-religious society. “Adopt the mores and constitution of the country in which you find yourself,” he wrote, “but be steadfast in upholding the religion of your fathers, too.”  In subsequent generations, many Jews—among them, Karl Marx’s parents—found it easier simply to convert to Christianity and live publicly as Christians in order to access jobs, property, and other basic rights.
But there was another answer to the paradox posed by modernity. Inspired by Mendelssohn, Jewish questioners throughout German-speaking lands in the early nineteenth century developed the Reform movement. These reformers believed that their mission was to bring Judaism in line with modern thought; they also promoted the idea that prayers should be chanted in the local language rather than in Hebrew. They encouraged rabbis to look beyond the Talmud and Torah for guidance. Reformers spurned the idea that the past could dictate a way of life in an increasingly secular and industrial context. They modeled many of their religious practices after German Christians encouraging “decorum” in synagogue, introducing music similar to that heard in churches, and many even wanted to switch the Sabbath to Sunday. They wanted to remain Jews, while highlighting Judaism’s similarities with Christianity.
These efforts infuriated traditionalists, who then reacted with steadfast conservatism. Some traditional rabbis had long opposed emancipation, but in response to the Reformers, a group of adherents to Halakhah codified the new Orthodox movement. They opposed many of the secular cultural forms that Judaism took in the coming decades: the Yiddishist movement, Zionism, and any other divergences from strict Halakhah. Some insisted that established customs not grounded in Jewish law should take on the weight of Halakhah—this is why some groups continue to dress and speak like their ancestors from a century ago or more. These extreme forms of observance are as much a product of modernity as Reform.
In Eastern Europe, another religious movement, called Hasidism, gained traction parallel to Reform and Orthodoxy. Founded in the eighteenth century by a rabbi and mystic who called himself Israel Baal Shem Tov, Hasidic Judaism grew out of a populist reaction to the elitism of the traditional Talmudic academy. Hasidic Judaism focuses on mystical interpretations of holy texts and the potential for uneducated Jews to experience holiness. The movement spread rapidly across Eastern and Central Europe. Hasidism gave rise to opposition from at least two sides: the traditional rabbinic legal structures that revolved around organized Torah study, and the “enlightened” Jews intent on both escaping the oppressive framework of the traditional Jewish family and acculturating into European society.
In spite of Hasidic Judaism’s strained history with what came to be known as Orthodoxy, it has become harder to distinguish stringent Orthodox Jews from their Hasidic counterparts. As Reform Judaism gained popularity, the two groups joined forces in support of Halakhah and in opposition to radical reform. Known for their distinctive dress (beards, fur hats, sidelocks, and caftans for men), Hasidim are among the most visible Jewish groups.
Amidst political and economic turmoil in Western and Central Europe, nationalism became a rallying cry and pseudo-scientific ideas about race proliferated. A wave of antisemitism affected Jews within Europe and throughout the world in European colonies. From Russia to Damascus, and Danzig to Algiers, Jews were attacked as infiltrators and blamed for a wide range of social and economic problems. Accusations and rumors led to riots and pogroms (a Russian word that means to violently destroy, used to describe the riots in Eastern Europe in the 19th and early 20th centuries that resulted in the rape and murder of Jews and the theft and destruction of their property).
Several events from the mid-nineteenth to the early twentieth centuries proved that Jews were not welcomed as equals. In Russia, violent pogroms and economic instability pushed over two million people to emigrate in the 1880s. The vast majority fled to North America, and a small fraction of pioneers traveled to Palestine, the site of ancient Judaism’s origins. Some Jewish leaders, responding to the growing nationalism and antisemitism of the late 19th and early 20th centuries, followed Theodor Herzl who advocated for a type of secular Jewish nationalism, a return to the biblical homeland of the Jewish people. Religious Jews had prayed facing Jerusalem and called for a Messianic return to the Land of Israel since the Second Temple was destroyed. But the modern political movement, known as Zionism, united the religious impulse to “return” with secular ideas about constructing a European-style nation for Jews. It is important to note that Zionism was but one form of Jewish nationalism that took hold in the nineteenth century. Some Jews fought for territorial and political autonomy on different parts of the globe, others fought for cultural autonomy in the nations where they lived. These Diaspora nationalist movements mostly disappeared in 1948 when Israel became an independent state.
“The antisemite creates the Jew,” wrote the French philosopher Jean-Paul Sartre in 1945. Antisemitism had generated a false image of what a Jew is, making Jews seem like a social danger for the majority of Europeans. After World War I, liberal democracies everywhere appeared to be failing. The idea that Jews were responsible for social and economic crises convinced many to use race and ethnicity as a test to determine who belonged and who ought to be excluded. It was in this climate that the Nazi party was elected to power in 1933. Combining their expansionist vision with spurious theories of racial purity, the Germans quickly came to control most of central and eastern Europe.
Genocide became an everyday phenomenon—the Nuremburg Laws forced Jews to identify themselves with a badge, and criminalized sexual intimacy between Jews and gentiles. Laws were passed across Europe and the Mediterranean that excluded Jews from certain professions and the right to attend school. Citizenship was revoked and many people were forced from their homes into overcrowded wards. Inspired by the medieval ghetto, the Nazis went further—killing Jews by restricting food and medicine, packing thousands into spaces fit for far fewer, and, eventually, forbidding Jews to leave at all. Working in collaboration with governments across Europe, Nazi officials enacted a “Final Solution” to the “Jewish Question” in early 1942. Jews were forcibly gathered and shipped to local concentration camps and to death camps in Poland and the USSR. Six million Jews died in the Holocaust.
 Moses Mendelssohn, “19. Judaism and civil law,” Jerusalem: Religious Power and Judaism, 1783.
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Gershon Hundert, ed., Essential Papers on Hasidism: Origins to Present (New York: NewYork University Press, 1991).
Marion Kaplan, Between Dignity and Despair: Jewish Life in Nazi Germany (Oxford University Press, 1999).
Jacob Katz, Out of the Ghetto: the Social Background of Jewish Emancipation, 1770–1870 (Cambridge: Harvard University Press, 1973).
Michael Marrus and Robert Paxton, Vichy France and the Jews (Stanford University Press, 1995).
Michael Meyer, Response to Modernity: A History of the Reform Movement in Judaism (Oxford: Oxford University Press, 1988)
Ada Rapoport-Albert, ed. Hasidism Reappraised (Oxford: Littman Library of Jewish Civilization, 1998).
Jean-Paul Sartre, Anti-Semite and Jew, translated by George J. Becker (New York: Schocken Books, 1948).
Art Spiegelman, Meta Maus (New York: Pantheon Books, 2011).