A pan-Slavic language is a zonal constructed language for communication among Slavic people.
Nowadays there are approximately 18 not-extinct slavic languages and 400 million speakers of those. Slavic communities are quite fragmented and loosely connected linguistically. Usually, in order to communicate with other Slavic people they use English as lingua franca. But since slavic languages are quite close lexically and grammatically and comparatively easy to learn, if other slavic language is already known, there were numerous attempts to construct a language that would be bridge language for slavophones instead of English.
Creation of Pan-Slavic languages in the Middle Ages 
Old Church Slavonic 
Old Church Slavonic probably was the first literary Slavic language, created by the missionaries Saints Cyril and Methodius. Some scholars believe that Old Church Slavonic was not exactly similar to any Slavic language of that time but was constructed. In any case, Cyril and Methodius created one or more writing systems which serve as a base for many contemporary Slavic languages — Glagolitic or Cyrillic. Church Slavonic is used as a liturgical language to this day by some Orthodox and Greek-Catholic Churches of the Slavic peoples.
Common Slavonic Language 
In Siberia in 1666, the Croat Juraj Križanić wrote Grammatično Iskazanije ob russkom jeziku (Грамматично исказание об русском езику - Grammatical book of the Russian Language). In this work he described in fact not the Russian language but a Common Slavonic language based on different Slavic languages, mostly on Russian, Serbian and Croatian.
Sample (Romanized, original in Cyrillic): "Iazika sowerszenost iest samo potrebno orudie k mudrosti, i iedwa ne stanowito iee zname. Czim kiu narod imaet izradney iazik, tim prigodnee i witwornee razprawlyaet remestwa i wsakije umitelyi i promisli. Obilie besedi i legota izgowora mnogo pomagaet na mudrich sowetow izobretenie i na wsakich mirnich i ratnich del leznee obwerszenie."
Creation of Pan-Slavic languages in 19th and 20th Centuries 
Universalis Lingua Slavica 
Universalis Lingua Slavica - Universal Slavic language, also known as Vseslovanski jazyk ("All-Slavic language"), is an early example of a zonal constructed language for Slavs. It was created and published by the Slovak Ján Herkeľ in his works Elementa universalis linguae Slavicae and Zaklady vseslovanskeho jazyka in 1826.
Sample: "Za starego vieku byla jedna kralica, koja mala tri prelepije dievice: milicu, krasicu a mudricu; vse tri byle bogate, okrem bogatstva milica byla pokorna, krasica uctiva a mudrica umena." (In olden times there was a queen who had three very beautiful girls: Kindness, Beauty, and Wisdom; all three were rich, in addition to being rich Kindness was humble, Beauty was polite, and Wisdom was wise)
Slava-Esperanto aka Slovina or Slavina (which may be translated as Slavic Esperanto) created by Josef Konečný in 1912 in Prague.
Sample: "Hej, Slované, naši lepo slovanó rěč máme, dokud naše věrne serce pro náš národ dame."
Neposlava (Непослава) was created by Vsevolod Evgrafovich Cheshikhin (Всеволод Евграфович Чешихин) in 1915 in Nizhny Novgorod, Russia. In 1913 he created a system to construct zonal languages based on Esperanto affixes which are used with national roots and called it Nepo. Then in 1915 he created a nepo-language based on the Slavic lexicon - Neposlava ("Slavic Nepo"). He also used this system to construct other "new Esperantoes" based on Latin-Romance and Germanic languages.
Mežduslavjanski jezik 
Mežduslavjanski jezik (Inter-Slavic language). Work on this language was carried out by a group of Czechoslovak linguists in 1954-1958. The head of the project was the Czech Jiří Karen aka Ladislav Podmele (1920-2000). The language used grammatical and lexical features of Slavic languages, primarily Russian and Czech, and may be viewed as a naturalistic planned language. Not to be confused with Mezhdunarodny Nauchny Yazyk, which is not a Pan-Slavic language at all.
Sample: "V meždunarodnich jezikach dlužno stvorit taki cennosti, ktori budu znacit veliki prinos v oblasti nauk, izučenija jezikov, techniki, umenij itd."
Contemporary Pan-Slavic languages 
After the decay of USSR and Russian language losing the role of lingua franca language in Central and East Europe and Balkans, slavophones have realized the need of new contemporary pan-slavic language.
A constructed language created in 1999 by Mark Hučko was made as a Slavic variant of Esperanto. Main purposes were to make as simple as possible: for non-Slavic person to learn (no inflection or conjugation; the grammar was based on one of Ensperanto) and to write (easy writing system with no diacritics).
But eventually Slovio didn't gain much popularity. A high degree of simplification, characteristic for most international auxiliary languages, makes it easier to learn for non-Slavs, but widens the distance with the natural Slavic languages and give the language an overly synthetic character, which by many is considered a disadvantage. Also, the predominance of Russian-based words made it not that intelligible for speakers of other slavic speakers.
Medžuslovjanski jezyk (Interslavic language) 
To fix the problems of Slovio, work on Slovianski language began in 2006. After gaining popularity a handful of different projects (Slovianski, Novosloviensky jezyk et al.) have merged under the name Medžuslovjanski jezyk (Меджусловјански језык, The Interslavic language). The main purpose of the language was to make it understandable without prior learning, which was achieved using special voting system for choosing words for lexicon. Medžuslovjanski jezyk has also gained some attention from media. As of 2013 approximately 1000 people were able to speak this language.
See also 
- J. Herkel, Elementa universalis linguae Slavicae, Budae/Budapest, 1826, 164 pp.
- J. Herkel, Zaklady vseslovanskeho jazyka, Vienna, 1826.
- Dulichenko, A.D. "ИЗ ИСТОРИИ ИНТЕРЛИНГВИСТИЧЕСКОЙ МЫСЛИ В РОССИИ (1900-1917)".
- Pei, Mario (1958). One Language for the World. p. 137. ISBN 0-8196-0218-3.
- Vojtěch Merunka, Jazyk novoslovienskij (Prague 2010, ISBN 978-80-87313-51-0), pp. 15-16, 19-20. (Czech)
- V Nizozemsku vzniká společný jazyk pro Slovany. Deník.cz, 19 February 2010. (Czech)
- Pět let práce na společném jazyku. Týdeník Školství, no. 2010/09, 3 March 2010. (Czech)
- Klára Ward, „Kvik Kvik“ alebo Zvieracia farma po slovensky. Z Druhej Strany, 25 February 2010. (Slovak)
- Péter Aranyi & Klára Tomanová, Egységes szláv nyelv születőben. Melano.hu, 23 February 2010. (Hungarian)
- Холанђанин прави пансловенски језик. Serbian Cafe, 17 February 2010. (Serbian)
- Holanđanin pravi slovijanski jezik. PCNEN.com, 17 February 2010. (Serbian)
- Датчaнин създава общ славянски език. PlovdivMedia.com, 19 February 2010. (Bulgarian)
- Датчанин твори общ славянски език. Vseki Den, 19 February 2010. (Bulgarian)
- Готвят славянско есперанто. Marica, 19 February 2010. (Bulgarian)
- Язык для всех славян на основе русинского. UA-reporter, 20 February 2010. (Russian)
- Slaves de tous les pays, parlez donc le Slovianski !. Le Courrier des Balkans, 1 March 2010. (French)
|Wikibooks has a book on the topic of: Slovio|
- List of constructed Slavic languages
- Interslavic – Medžuslovjanski – Меджусловјански
- Interslavic - Medžuslovjanski
- Interslavic on-line newspaper
- Interslavic Wiki
—Steeven Radzikowski 06:31, 25 February 2013 (UTC)