The Orthodox Union (abbreviated OU) is one of the largest Orthodox Jewish organizations in the United States. Founded in 1898, the OU supports a network...

Orthodox Union Kosher, known as OU Kosher or OUK, is a kosher certification agency based in New York City. It was founded in 1923 by Abraham Goldstein...

The Union of Orthodox Banner-Bearers (SPKh; Russian: Союз православных хоругвеносцев; СПХ; Soyuz pravoslavnykh khorugvenostsev, SPKh) is a Russian...

The Union of Orthodox Rabbis of the United States and Canada (UOR), often called by its Hebrew name, Agudath Harabonim or (in Ashkenazi Hebrew) Agudas...

Orthodox Judaism is the collective term for the traditionalist branches of contemporary Judaism. Theologically, it is chiefly defined by regarding the...

Eastern Orthodoxy, otherwise known as Eastern Orthodox Christianity or Byzantine Christianity, is one of the three main branches of Chalcedonian Christianity...

The Eastern Orthodox Church, officially the Orthodox Catholic Church, and also called the Greek Orthodox Church or simply the Orthodox Church, is the second-largest...

The Union of Orthodox Synagogues (UOS) is the coordinating body of Orthodox Synagogues in South Africa. The UOS maintains a Beth Din, The Johannesburg...

Modern Orthodox Judaism (also Modern Orthodox or Modern Orthodoxy) is a movement within Orthodox Judaism that attempts to synthesize Jewish values and...

hypostatic union) which is held by the Catholic Church and the Eastern Orthodox Church. Calendar of saints (Orthodox Tewahedo) Oriental Orthodox Churches...

of them are aligned with far-right elements. Orthodox Peronism also refers to the Peronist trade union faction that split from the “62 organizations"...

the Eastern Orthodox Christians, irrespective of their ethnic background, who reside in the former member republics of the Soviet Union, excluding Georgia...

romanized: Yahadut Ḥaredit, IPA: [ħaʁeˈdi]; plural Haredim) is a branch of Orthodox Judaism that is characterized by its strict interpretation of religious...

The Union of Charismatic Orthodox Churches (UCOC) is a predominantly African American and Hispanic/Latino Christian denomination forming part of the Convergence...

natures, called the hypostatic union) which is held by the Catholic Church and the Eastern Orthodox Church. The Oriental Orthodox Churches are known as "non-Chalcedonian"...

in the United States where Orthodox Jews live in significant communities. These are areas that have within them an Orthodox Jewish community in which there...

Romanian Orthodox Church joined the movement in Romania. In the Soviet Union, the True Orthodox began in 1927-8 when some Eastern Orthodox Christians...

America is that of the Union of Orthodox Congregations, who use a U inside a circle ("O-U"), symbolising the initials of Orthodox Union. In Britain, commonly...

Post. Retrieved April 7, 2018. Luban, Yaakov (2010). "Orthodox Union Kosher Primer". Orthodox Union. Lewis, Hunter (January 23, 2012). "How to Clean Your...

organizations of Orthodox rabbis; it is affiliated with The Union of Orthodox Jewish Congregations of America, more commonly known as the Orthodox Union (OU). It...

affiliated with Chabad, the National Council of Young Israel, or the Orthodox Union. Beth Israel Synagogue, Edmonton Congregation House of Jacob Mikveh...

its authority in the eyes of Orthodox believers after the union with Rome in 1439. In December 1448, the Russian Orthodox Church de facto declared its...

Agarwood, a perfume or incense material OUD, a registered trademark of the Orthodox Union for identifying kosher products that contain dairy Oxford Universal...

Retrieved 6 October 2018.) "The Lights of Chanukah: Laws and Customs". Orthodox Union. 9 April 2014. Retrieved 6 October 2018. "Yes, Virginia, Hanukkah Has...

On 15 October 2018, the Russian Orthodox Church broke the communion with the Ecumenical Patriarchate because of a dispute concerning the canonical jurisdiction...

ritual purity. In Orthodox Judaism, these regulations are steadfastly adhered to; consequently, the mikveh is central to an Orthodox Jewish community....

Orthodox Marxism is the body of Marxist thought which emerged after the deaths of Karl Marx and Friedrich Engels in the late 19th century, expressed in...

The Catholic Church and the Eastern Orthodox Church have been in a state of official schism from one another since the East–West Schism of 1054. This schism...

Soviet Union. In the late 1980s, three Orthodox churches claimed substantial memberships there: the Russian Orthodox Church, the Georgian Orthodox Church...

The Eastern Orthodox Church, officially the Orthodox Catholic Church and commonly known simply as the Orthodox Church is a communion composed of up to...