| Language |
Author |
Date |
| Lingua Ignota |
Hildegard von Bingen |
c.1150 |
| Balaibalan |
Muhyî-i Gülşenî Muhyi-i Gulseni |
c.1500 |
| Common Writing |
F. Lodwick |
1647 |
| Lingua Universallis |
P. Labbé P. Labbe |
1650 |
| Arithmeticus Nomenclator |
P. Bermudo |
1653 |
| Logopandecteision |
T. Urquhart |
1653 |
| Universal Character |
C. Beck |
1657 |
| Clavis Conveniente Linguarum |
J. Becher |
1661 |
| Ars Signorum |
G. Dalgarno |
1661 |
| Universal Language |
I. Newton |
c.1661 |
| Pasigraphie |
Earl of Worcester |
1663 |
| Polygraphia |
A. Kircher |
1663 |
| Panglottie |
J. Komenský (Comenius) J. Komensky (Comenius) |
1665 |
| Arte Combinatoria |
G. Leibniz |
1666 |
| Ruski Jezik |
J. Križanić J. Krizanic |
1666 |
| Philosophical Language |
J. Wilkins |
1668 |
| Pasigraphie |
F. Besnier |
1674 |
| Langue Universelle pour Negotiants |
de Bermonville |
1687 |
| Allgemeine Schrift |
D. Solbrig |
1726 |
| Scriptura Oecumenica |
Carpophorophilus |
1732 |
| Langue Nouvelle |
J. Faiguet |
1765 |
| Universal Philosophical Language |
R. Jones |
1769 |
| Lingua Philosophica |
G. Kalmár G. Kalmar |
1772 |
| Lingua Universale |
F. Soave |
1772 |
| Allgemeine Rede und Schrift-Sprache |
C. G. Berger |
1779 |
| Opšteslovenski Jezik Opsteslovenski Jezik |
B. Kumerdej |
1793 |
| Langue Universelle |
C. Delormel |
1795 |
| Pasigraphie |
C. H. Wolke |
1797 |
| Pasigraphie |
J. Maimieux |
1797 |
| Noématopasigraphilalie Noematopasigraphilalie |
F. Dumont de Bonneville |
1799 |
| Polygraphie |
Z. Hourwitz |
1801 |
| Pasigraphie |
J. Z. Näther J. Z. Nather |
1805 |
| Pangraphie |
H. Burmann |
1807 |
| Pasilalie |
A. Burja |
1808 |
| Sinnensprache |
A. Riem |
1809 |
| Lingua Filosofica Universale |
M. Gigli |
1818 |
| Universalis Nyelvnek (Steganographia) |
I. Gáti I. Gati |
1820 |
| Lingua Universalis |
A. Réthy A. Rethy |
1821 |
| Lingua Slavica Universalis |
J. Herkel |
1826 |
| A Universal Language |
J. Ruggles |
1829 |
| Genigrafia Italiana |
G. Matraya |
1831 |
| Világnyelv Vilagnyelv |
J. Bólyai J. Bolyai |
1832 |
| Langue Universelle |
A. Grosselin |
1836 |
| Communicationssprache |
J. Schipfer |
1839 |
| Phonarithmon |
W. H. Henslowe |
1840 |
| Lugar |
S. Herpain |
1843 |
| Langue Universelle et Analytique |
E. T. Vidal |
1844 |
| Orbidáie Orbidaie |
J. Bazin |
1844 |
| Pangraphie |
S. Ivičević S. Ivicevic |
1848 |
| Lengua Universal |
P. L. Martinez |
1852 |
| Lengua Universal y Filosofica |
B. Sotos Ochando |
1852 |
| Universal Language |
G. Edmonds |
1855 |
| Monopanglosse |
P. Gagne |
1858 |
| Pantos-Dîmou-Glossa Pantos-Dimou-Glossa |
L. de Rudelle |
1858 |
| Nouvelle Numératon Parlée Nouvelle Numeraton Parlee |
Dr. Verdu |
1859 |
| Pasigraphie |
M. Paić M. Paic |
1859 |
| Alevato |
S. P. Andrews |
1862 |
| Mundographie (Gablenzographia) |
M. H. von Gablenz |
1864 |
| Uzajmeni Slavjanski Jezik |
M. Majar |
1865 |
| Solresol |
J. F. Sudre |
1866 |
| Langue Universelle |
A. Caumont |
1867 |
| Pasigraphie |
A. Bachmaier |
1868 |
| Universalglot |
J. Pirro |
1868 |
| Universal Dolmetscher Sprache |
A. F. Staffler |
1869 |
| New Universal Cipher Language |
C. Stewart |
1874 |
| Lingua Lumina |
J. W. Dyer |
1875 |
| Langue Internationale Étymologique Langue Internationale Etymologique |
F. Reimann |
1877 |
| Ixessoire |
R. and L. Poincaré R. and L. Poincare |
1879 |
| Volapük Volapuk |
J. M. Schleyer |
1879 |
| Weltsprache |
A. Volk and R. Fuchs |
1883 |
| Blaia Zimondal |
C. Meriggi |
1884 |
| Néo-Latine Neo-Latine |
E. Courtonne |
1884 |
| Neulatein |
A. Sturmhöfel A. Sturmhofel |
1884 |
| Pasilingua |
P. Steiner |
1885 |
| Chabé-Aban (Langue Naturelle) Chabe-Aban (Langue Naturelle) |
E. Maldant |
1886 |
| Langue Universelle |
C. Menet |
1886 |
| Langue Universelle |
C. L. A. Letellier |
1886 |
| Nal Bino |
S. Verheggen |
1886 |
| Pasigraphia |
J. Bobula |
1886 |
| Rosentalographia |
Rosenthal |
1886 |
| Sprachwissenschaftliche Kombinatorik |
J. Bauer |
1886 |
| Balta |
E. Dormoy |
1887 |
| Bopal |
M. Streiff (S. de Max) |
1887 |
| Esperanto |
L. L. Zamenhof |
1887 |
| Kokographie |
F. Friedrich |
1887 |
| Nuvo-Volapük Nuvo-Volapuk |
A. Kerchoffs |
1887 |
| Pasilingua Hebraica |
F. Lenz |
1887 |
| Visona |
Dr. Sivartha |
1887 |
| Weltsprache |
N. Eichhorn |
1887 |
| American Language |
E. Molee |
1888 |
| Kosmos |
E. A. Lauda |
1888 |
| Lengua Universal |
T. Escriche y Mieg |
1888 |
| Lingua Franca Nuova |
S. Bernhard |
1888 |
| Mundolinco |
J. Braakmann |
1888 |
| Spelin |
J. Bauer |
1888 |
| Verkehrssprache |
J. Lott |
1888 |
| Anglo-Franca |
G. J. Henderson |
1889 |
| Compromiss-Sprache |
J. Lott |
1889 |
| Lengua Universal |
E. G. Ugarte |
1889 |
| Myrana |
J. Stempfl |
1889 |
| Oidapa |
Chancerel |
1889 |
| Panglossie |
Le Dantec (pseud.) |
1889 |
| Sermo |
A. Browne |
1889 |
| Lengua Catolica |
A. Liptay |
1890 |
| Lingua Internazional |
J. Lott |
1890 |
| Mundolingue |
J. Lott |
1890 |
| Nov Latin |
D. Rosa |
1890 |
| Pure Saxon English |
E. Molee |
1890 |
| Zilengo |
A. Oka |
1890 |
| Idiome Universel |
H. Marini |
1891 |
| Anti-Volapük Anti-Volapuk |
F. Mill |
1893 |
| Dil |
Fieweger (pseud. Dr. Gül) Fieweger (pseud. Dr. Gul) |
1893 |
| Francezin |
A. Lyakide |
1893 |
| Luftlandana |
G. A. Larsson |
1893 |
| Orba |
J. Guardiola |
1893 |
| Universala |
E. H. Heintzeler |
1893 |
| Casuela |
S. Voirol |
1894 |
| Communia |
J. Stempfl |
1894 |
| Novilatiin |
E. Beermann |
1895 |
| Adjuvanto |
L. Beaufront |
1896 |
| Linguo Moderna |
A. Grabowski |
1896 |
| Veltparl |
W. von Arnim |
1896 |
| Lasonebr |
A. Nilson |
1897 |
| Nuove-Roman |
J. E. Puchner |
1897 |
| Dey Daynd |
A. J. Guerero |
1898 |
| Dilpok |
A. Marchand |
1898 |
| Patoiglob |
P. B. Bohin |
1898 |
| Prometej-Prosvetitelj |
E. Gurin (pseud. dr. Novodum) |
1898 |
| Bolak (Langue Bleue) |
L. Bollack |
1899 |
| Dialect Centralia |
A. Nilson |
1899 |
| Lingue International |
J. Lott |
1899 |
| Langage Humain |
Umano |
1900 |
| Lingua Komun |
F. Kürschner F. Kurschner |
1900 |
| Linguum Islianum |
F. Isly |
1901 |
| Zahlensprache |
F. Hilbe |
1901 |
| Idiom Neutral |
W. K. Rosenberger |
1902 |
| Neu-Latein (Universal-Latein) |
E. Frandsen |
1902 |
| Reform-Latein |
K. Frölich K. Frolich |
1902 |
| Tutonish |
E. Molee |
1902 |
| Universal-Latein |
W. Möser W. Moser |
1902 |
| Völkerverkehrssprache Volkerverkehrssprache |
C. Dietrich |
1902 |
| Ziffern-Grammatik |
W. Riegler |
1902 |
| Adam-Man Tongue |
E. Shaftesbury |
1903 |
| Latino sine Flexione |
G. Peano |
1903 |
| Panroman |
H. Molenaar |
1903 |
| Tal |
A. Hoessrich |
1903 |
| Mundelingva |
J. von Hummler |
1904 |
| Perio |
M. Talundberg |
1904 |
| Spokil |
A. Nicolas |
1904 |
| Lingua internacional |
A. Zakrzewski |
1905 |
| Glanik (Glan-ik) |
E. Ware |
1906 |
| Mondlingvo |
H. Trischen |
1906 |
| Niu Teutonish |
E. Molee |
1906 |
| Pan-Kel |
M. Wald |
1906 |
| Ulla |
F. Greenwood |
1906 |
| Antido I |
R. de Saussure |
1907 |
| Apolëma Apolema |
R. de la Grasserie |
1907 |
| Idiom Neutral Reformed |
J. B. Pinth |
1907 |
| Idiom Neutral Reformed |
W. K. Rosenberger |
1907 |
| Ido |
L. de Beaufront and L. Couturat |
1907 |
| Lingua European |
B. Bijlevelt |
1907 |
| Master Language |
S. C. Houghton |
1907 |
| Neuslawisch |
I. Hošek I. Hosek |
1907 |
| Novilatin |
E. Beermann |
1907 |
| Parla |
C. Spitzer |
1907 |
| Corintic |
A. Miller |
1908 |
| Ilo |
C. Lemaire |
1908 |
| Interprète international Interprete international |
V. Hély V. Hely |
1908 |
| Mez-Voio |
J. Jamin |
1908 |
| Ro |
E. P. Foster |
1908 |
| Auli |
E. von de Wahl |
1909 |
| Dutalingue |
A. Duthil |
1909 |
| Esperanto Reformita |
R. Brandt |
1909 |
| Idiom Neutral Modifiket |
J. Meysmans |
1909 |
| Ile |
A. Seidel |
1909 |
| Ilo |
H. Ziemer |
1909 |
| Ispirantu |
A. Seidel |
1909 |
| Italico |
R. Triola |
1909 |
| Median |
A. Huart |
1909 |
| Nummer |
N. Jekel |
1909 |
| Perfektsprache |
A. Hartl |
1909 |
| Salvador |
F. Gavidia |
1909 |
| Unial |
J. Weisbart |
1909 |
| Antido II |
R. de Saussure |
1910 |
| Eulalia |
S. Škrabec S. Skrabec |
1910 |
| Langue Universelle Sémantique Langue Universelle Semantique |
J. E. Croegaert |
1910 |
| Latino Internationale |
U. Basso |
1910 |
| Linguo Romane Universale |
J. Słonimski J. Slonimski |
1910 |
| Mondea |
J. Scheefer |
1910 |
| Mondlingu |
S. E. Bond |
1910 |
| Perfektigo de Esperanto |
Z. Romański Z. Romanski |
1910 |
| Reform Esperanto |
P. D. Hugon |
1910 |
| Reform-Esperanto |
P. Rodet |
1910 |
| Semilatin |
W. Moeser (pseud. Austriacus) |
1910 |
| Veltlang |
F. Braendle |
1910 |
| Internacionu Sientu Lingua |
A. Kovalyev |
1911 |
| Medio |
O. Nachtigall |
1911 |
| Molog |
H. de Sarranton |
1911 |
| Simplo |
Ferranti |
1911 |
| Spiranta |
P. Stojan (pseud. P. Radovich) |
1911 |
| Altutonish |
E. Molee |
1911 |
| Adelfeal Lingw |
A. Kovalyev |
1912 |
| Aryana |
P. Stojan |
1912 |
| Europal |
J. Weisbart |
1912 |
| Lingvo Kosmopolita |
R. de Saussure |
1912 |
| Manbab |
A. Beuthner |
1912 |
| Omnez |
S. E. Bond |
1912 |
| Reform-Neutral |
W. K. Rosenberger |
1912 |
| Slavina |
J. Konečný J. Konecny |
1912 |
| Tersboca |
M. Rotter |
1912 |
| Altayko (Esk) |
M. Sondahl |
1913 |
| Nepo |
V. Tscheschichin |
1913 |
| Slovanština Slovanstina |
E. Kolkop |
1913 |
| Telekaba |
K. Pirquet |
1913 |
| Uropa |
W. Donisthorpe |
1913 |
| Viva |
N. Nesmeyanov |
1913 |
| Ariana |
P. Stojan |
1914 |
| Europeo |
C. A. Bravo del Barrio |
1914 |
| Universal |
Prince Immanuel of Jerusalem |
1914 |
| Alteutonik |
E. Molee |
1915 |
| Wede (Weltdeutsch) |
A. Baumann |
1915 |
| Filosofskiy Jezik |
J. Linzbach |
1916 |
| Geoglot |
T. J. Donoghue |
1916 |
| Weltdeutsch |
W. Ostwald |
1916 |
| Weltdeutsch, das Verbesserte Wede |
A. Baumann |
1916 |
| Etem |
N. Yushmanov |
1917 |
| Glot |
V. Petracevitch (pseud. V. Pevich) |
1917 |
| Ujlatin |
A. Koleszár A. Koleszar |
1917 |
| Nov Latin Logui |
K. Pompiati |
1918 |
| Parlamento |
G. Perrier (pseud. G. Ferry) |
1918 |
| Universalspråket Universalspraket |
K. Keyser |
1918 |
| Esperantida |
R. de Saussure |
1919 |
| Latinulus |
V. Martellotta |
1919 |
| Lips-Kith |
J. Scarisbrick |
1919 |
| Standard World Language |
W. J. Cuthbertson |
1919 |
| Verbessertes Esperanto |
P. Völz P. Volz |
1919 |
| Ao |
V. Gordin |
1920 |
| Ariadna Lingvo |
V. Shmurlo (pseud. Vlasha) |
1920 |
| Slavski Jezik |
B. Holý B. Holy |
1920 |
| Dynamic Language |
E. Molee |
1921 |
| Hom-Idyomo |
C. Cárdenas C. Cardenas |
1921 |
| Nove-Latina |
J. van Diemen |
1921 |
| Optoez |
S. E. Bond |
1921 |
| QJ |
S. Kukel-Krajevsky |
1921 |
| Timerio |
Thiemer |
1921 |
| Transcendent Algebra |
J. Linzbach |
1921 |
| Amiana |
P. Stojan |
1922 |
| Interlingua Systematic |
J. Rossello-Ordines |
1922 |
| Medial |
J. Weisbart |
1922 |
| Mundolingua (Menimo) |
D. Starrenburg |
1922 |
| Occidental (Interlingue) |
E. von de Wahl |
1922 |
| Qôsmianî Qosmiani |
W. M. L. Beatty |
1922 |
| Babilonska Uganka |
A. Ertl |
1923 |
| Espido |
M. Pesch |
1923 |
| Federal |
J. Barral |
1923 |
| Liana |
P. Stojan (pseud. P. Radovich) |
1923 |
| Lingvo Kommona |
K J L |
1923 |
| Neolatine |
G. Semprini |
1923 |
| Toito Spike |
E. Molee |
1923 |
| Unesal Interlingu |
E. Weferling |
1923 |
| Unilingue |
A. Lavagnini |
1923 |
| Unita |
P. Stojan (pseud. P. Radovich) |
1923 |
| Uniti Langue |
F. Riedel and O. Scheffers |
1923 |
| Esperanta |
J. Železný J. Zelezny |
1924 |
| Latuna |
G. du Bois |
1924 |
| World English (Cosmo-English) |
J. W. Hamilton |
1924 |
| Arulo (Gloro) |
M. Talmey |
1925 |
| Esperido |
H. E. Raymond |
1925 |
| Europan |
J. Weisbart |
1925 |
| Ido Avancit |
R. Harding |
1925 |
| Latinesco |
H. J. Macmillan |
1925 |
| Monario I |
A. Lavagnini |
1925 |
| Nov-Esperanto |
R. de Saussure |
1925 |
| Om |
L. Vulda |
1925 |
| Universal |
G. Muravkiy |
1925 |
| Eo |
P. Stojan (pseud. Ribaulb) |
1926 |
| Espo |
P. Stojan (pseud. Ribaulb) |
1926 |
| Meso |
S. E. Bond |
1926 |
| Neoromani (Neoromano) |
J. Słonimski J. Slonimski |
1926 |
| Omo |
V. Vyengyerov |
1926 |
| Ost |
A. Ostaszewski |
1926 |
| Una |
F. Buckel |
1926 |
| Weltpitshn |
A. Baumann |
1926 |
| Anglido |
H. E. Raymond |
1927 |
| Cosman |
H. Milner |
1927 |
| Cosmolingvia |
S. Horowitz |
1927 |
| Ideala Lingvo |
T. Jung |
1927 |
| Loqa |
G. Nield |
1927 |
| Mond-Lingvo |
J. Weisbart |
1927 |
| Obshchyechyelovyeskiy Jezik |
K. Tsiolkovskiy |
1927 |
| Panedo |
M. Pisaryenko |
1927 |
| I D O (Idiom di Omni) |
G. Meazzini |
1928 |
| Neolatino |
P. Lundström P. Lundstrom |
1928 |
| Novam |
G. Touflet |
1928 |
| Novial |
O. Jespersen |
1928 |
| Oiropa Pitshn |
A. Baumann |
1928 |
| Serve |
O. T. Kunstovný O. T. Kunstovny |
1928 |
| Uniala |
P. J. Troost |
1928 |
| Monario II |
A. Lavagnini |
1929 |
| Mondialo |
R. de Saussure |
1929 |
| Mondik |
J. Jousten |
1929 |
| Aliq |
R. P. G. Vallaeys |
1930 |
| Anglic |
R. E. Zachrisson |
1930 |
| Esperilo |
H. E. Raymond |
1930 |
| Evoluto |
S. E. Bond |
1930 |
| Mundi Latin |
J. Weisbart |
1930 |
| Mundial |
F. V. Lorenz |
1930 |
| Neoglyfy |
A. S. Batěk A. S. Batek |
1930 |
| Sintesal |
N. Rubinin |
1930 |
| Susal |
A. Levanzin and L. Maxwell |
1930 |
| Basic English |
C. K. Ogden |
1930 |
| Mondi-Lingue |
T. Martineau |
1931 |
| Mu-Nba-B |
A. Beuthner |
1931 |
| Scinterlingua |
G. Viveros |
1931 |
| Simplificat Italian |
A. Faccioli |
1931 |
| Mondyal |
G. Durant |
1932 |
| Oz |
C. Elam |
1932 |
| Sabir |
P. Moralda |
1932 |
| Fitusa |
B. Rosenblum |
1935 |
| Internasional |
P. Mitrović P. Mitrovic |
1935 |
| Mundal |
J. Eylenbosch |
1935 |
| Sona |
K. Searight |
1935 |
| Synthetic English |
A. P. Draper |
1935 |
| Universal-Esperanto |
R. de Saussure |
1935 |
| Ofat |
O. Farnstad |
1936 |
| Panamane |
M. E. Amador |
1936 |
| Amxrikai Spek |
R. O. Foulk |
1937 |
| Esperanto II |
R. de Saussure |
1937 |
| Mondilingwo I |
A. Lavagnini |
1937 |
| Neo |
A. Alfandari |
1937 |
| Mondilingwo II |
A. Lavagnini |
1938 |
| Panlingua |
L. Weber |
1938 |
| Mondilinguo |
A. Lavagnini |
1939 |
| Nature's Mother Tongue |
B. E. Lyster |
1939 |
| Neolatinus |
A. da Monte Rosso |
1939 |
| Latino Hodierno |
W. Doran |
1940 |
| Sveslav |
C. Djurdjević C. Djurdjevic |
1940 |
| Latini |
C. G. Cline |
1941 |
| Relingua |
J. Tempest |
1941 |
| Tal |
A. H. Talano |
1941 |
| Monling |
K. Littlewood |
c.1942 |
| Interglossa |
L. Hogben |
1943 |
| Mondial |
H. Heimer |
1943 |
| Olingo |
R. S. Jaque |
1944 |
| Leno Gi-Nasu |
M. A. de la Cruz |
1945 |
| Code Ari |
F. Kovarik |
1946 |
| Komun |
F. Musil |
1946 |
| Maryala |
B. Máriás B. Marias |
1946 |
| Auxilia |
G. Morin |
1947 |
| Hoykoy |
G. Ottander |
1947 |
| Inter-sistemal |
P. Mitrović P. Mitrovic |
1947 |
| Ling |
A. Olson |
1947 |
| Neolatino |
A. Schild |
1947 |
| Romanés Romanes |
W. D. Hinde |
1947 |
| Auxil |
A. Belie |
1948 |
| Merican |
R. O. Rouek |
1948 |
| Munda Linguo |
F. Weber |
1948 |
| Universel |
A. J. Decormis |
1948 |
| Kosmo |
G. Schröder G. Schroder |
1949 |
| Semantography (Blissymbolics) |
C. K. Bliss |
1949 |
| Antibabele |
G. Magli |
1950 |
| Antro |
N. Andreev |
1950 |
| Peace Language |
F. Sosdy |
1950 |
| Uni-Spik |
G. de Biran |
1950 |
| Altuta |
C. Ternest |
1951 |
| Esperantuisho |
J. Železný J. Zelezny |
1951 |
| Interlingua |
A. Gode/IALA |
1951 |
| Mundion |
H. Weinrich |
1951 |
| Concorde |
S. F. Hall |
1952 |
| Universal-Latein |
K. Pötzl-Pecelius K. Potzl-Pecelius |
1952 |
| Eur(op)ean |
R. Jego |
1955 |
| Mondi Lingua |
A. Lavagnini |
1955 |
| Quenya |
J. R. R. Tolkien |
1955 |
| Sindarin |
J. R. R. Tolkien |
1955 |
| Intal |
E. Weferling |
1956 |
| Neulateinische Sprache |
K. Pompiati |
1956 |
| Niuspik |
J. Herpitt |
1956 |
| Pasigraphie |
K. Obermair |
1956 |
| Radioglot |
J. R. Te Winkel |
1956 |
| Romanid |
Z. Magyar |
1956 |
| Translingua |
E. Funke |
1956 |
| Euroglot |
E. Ahlström E. Ahlstrom |
1957 |
| Frater |
Pham Xuan-Thai |
1957 |
| Luni |
L. Znicz-Sawicki |
1957 |
| Picto |
K. J. S. Janson |
1957 |
| Suma |
B. Russell |
1957 |
| Unolok |
H. Wilshire |
1957 |
| Geo |
H. E. Salzer |
1958 |
| Globaqo |
R. S. Jaque and G. A. Jones |
1958 |
| Hesperyo |
A. Lara |
1958 |
| Interling |
T. Wood |
1958 |
| Mezhduslavjanski Jezik |
L. Podmele |
1958 |
| City-Language |
H. Emami |
1959 |
| Lalortel |
R. N. Yetter |
1959 |
| Phonetic |
C. H. Johnson |
1959 |
| Pikto |
J. E. Williams |
1959 |
| Ande |
A. W. Anderson |
1960 |
| Cacone |
D. Sacks |
1960 |
| Delmondo |
J. L. Mainprice (pseud. E. J. Lipman) |
1960 |
| Lincos |
H. Freudenthal |
1960 |
| Loglan |
J. C. Brown |
1960 |
| Logography |
B. Lipschitz |
1960 |
| Stipfone |
A. Lallemand (pseud. A. du Lothier) |
1960 |
| Neo |
A. Alfandari |
1961 |
| Sollinga |
A. M. Lichtgyeym |
1961 |
| Uneso |
J. Nordin |
1961 |
| Unilo |
V. Jørgensen V. Jorgensen |
1961 |
| Babm |
F. Okamoto |
1962 |
| Eurolingva |
H. K. J. Cowan |
1962 |
| Safo |
A. Eckardt |
1962 |
| Utilo |
A. R. Harrod |
1962 |
| ENI |
M. Monnerot-Dumaine |
1963 |
| Espro |
D. G. Rose |
1963 |
| Ladef |
M. H. Michaylob |
1963 |
| Pocket Pasilex |
C. Obermair |
1963 |
| Tunish |
D. S. Blacklock |
1963 |
| Eksterlingui |
J. K. D'Elcorecopo |
1964 |
| Eurolatin(e) |
W. J. Visser |
1964 |
| Inga |
B. Russell |
1964 |
| LoCoS |
Y. Ota |
1964 |
| Neo-Esperanto |
A. Lallemand (pseud. A. du Lothier) |
1964 |
| Oeropi |
T. Mertens-van Gossum |
1964 |
| Sputnik |
R. K. Verma |
1964 |
| Tungl |
D. S. Blacklock |
1964 |
| Unilingua |
R. Self |
1964 |
| Utoki |
J. Manprice (pseud. E. Lipman) |
1964 |
| Zacno |
D. A. Porter |
1964 |
| Euronord |
A. J. Pilgrim |
1965 |
| Frendo |
A. Churruca |
1965 |
| Liberanto |
E. Kotar |
1965 |
| Nmtish |
H. Irshad |
1965 |
| Novisimo |
F. Sosdy |
1965 |
| Unilingua |
N. Agopoff |
1965 |
| Anglo-Lat |
R. Montero |
1966 |
| Ido Reformate |
H. Pellgrini |
1966 |
| Lingvologia Lingvo |
E. Hanhiniemi |
1966 |
| Zamalo (Zamenhof-Alting) |
F. Alting |
1966 |
| Ilion |
H. Milner |
1967 |
| Sekaigo |
World Unification Movement |
1967 |
| Solinga |
A. M. Lichtgyeym |
1967 |
| aUI |
W. J. Weilgart |
1968 |
| Gloneo |
R. S. Jaque |
1968 |
| ReNeo |
N. D. Shyevchugov |
1968 |
| Unesal |
E. Weferling |
1968 |
| El-Afrihili |
K. Kumi Attobrah |
1970 |
| Geo-jezik |
G. Zagoryel’sky G. Zagoryel?sky |
1970 |
| Italiane Semplificate |
H. Pelligrini |
1971 |
| Eurolengo |
L. Jones |
1972 |
| Fasilfon |
D. Carion |
1972 |
| Inglish (Basic English Improved) |
L. Y. Le Bretton |
1972 |
| Mezdislav |
B. Fahlke |
1972 |
| Paleneo |
L. Charteris |
1972 |
| Vuldal |
M. Hovey |
1972 |
| Koine Romani |
V. de Gila |
1973 |
| Uni |
E. Wainscott |
1974 |
| Gestuno |
World Federation of the Deaf |
1975 |
| Instant World Language |
A. Berendt |
1977 |
| Tsolyani |
M. Barker |
1978 |
| Guosa |
A. Igbinewka |
1981 |
| Vikto |
V. Bősz V. Bosz |
1981 |
| Glosa |
W. Ashby and R. Clark |
1982 |
| SPL (Simplified Latin) |
R. Dominicus |
1982 |
| Pacez |
Y. Obana |
1983 |
| Klingon |
M. Okrand |
1984 |
| Láadan Laadan |
S. H. Elgin |
1984 |
| Unitario |
M. Pleyer |
1987 |
| Lusane |
L. S. Lopez-Negrete |
1988 |
| Lojban |
Logical Language Group |
1989 |
| AllNoun |
T. Breton |
1990 |
| Livagian |
A. Rosta |
1991 |
| Vorlin |
R. Harrison |
1991 |
| Azak |
C. Grandsire |
1992 |
| Ehmay Ghee Chah |
E. Hankes |
1992 |
| Talossan |
R. Madison |
1995 |
| Tepa |
D. Elzinga |
1995 |
| Vela |
B. Prist |
1995 |
| Verdurian |
M. Rosenfelder |
1995 |
| Brithenig |
A. Smith |
1996 |
| Ceqli |
R. May |
1996 |
| Ilish |
J. Henning |
1996 |
| Rikchik |
D. Moskowitz |
1996 |
| Tokana |
M. Pearson |
1996 |
| Rokbeigalmki |
S. Belsky |
1997 |
| Teonaht |
S. Higley |
1998 |
| Draseléq Draseleq |
P. Flores |
1998 |
| Kēlen Kelen |
S. Sotomayor |
1998 |
| gjâ-zym-byn (gzb) gja-zym-byn (gzb) |
J. Henry |
1999 |
| Skerre |
D. Ball |
1999 |
| Valdyan |
I. Rempt |
1999 |
| Megdevi |
D. Peterson |
2001 |
| Toki Pona |
S. E. Kisa |
2001 |
| Ygyde |
A. Nowicki |
2002 |
| Aeo |
J. Tegire |
2003 |
| Idirl |
J. Yench |
2003 |
| Ithkuil |
J. Quijada |
2004 |
| Nunihongo |
J. Henning |
2004 |
| P@x'áãokxáã P@x'aaokxaa |
E. Ohlms |
2004 |
| Þrjótrunn Thrjotrunn |
H. Theiling |
2006 |
| Dritok |
D. Boozer |
2007 |
| Proto-Central Mountain |
J. Burke |
2007 |
