Major General Thomas Hardwicke ’ s 1821 presentation of an article titled " Description of a new Genus of the Class Mammalia, from the Himalaya Chain of Hills Between Nepaul and the Snowy Mountains " at the Linnean Society in London is usually regarded as the moment the red panda became a bona fide species in Western science.

Between 1819 and 1821, Morse experienced great changes in his life, and his commissions dropped off because of the Panic of 1819.

Between 1821 and 1824, first and second national assemblies were held, and the constitutions of 1822 and of 1823 were established.

Between 1821 and 1823 he re-examined, with James South, the double stars catalogued by his father.

Between 1821 and 1826, the U. S. recognized all the new countries, except Uruguay ( whose independence was debated and recognized only later ).

Between 1821 and 1838 Pugin's father had published a series of volumes of architectural drawings, the first two entitled, Specimens of Gothic Architecture, and the following three, Examples of Gothic Architecture, that were to remain both in print and the standard references for Gothic architecture for at least the next century.

Between 1816 and 1821, the area known as Rockdale was open for settlement.

Between 1821 and 1823 he travelled halfway around the world with his pendulums and carried out innumerable measurements on the intertropical coasts of Africa and the Americas.

Between 1821 and 1825 Carl Friedrich Gauss used the line-of-sight to the Inselsberg within the Thuringian Forest and the Hoher Hagen mountain near Göttingen for triangulation in the course of the geodesic survey of the Kingdom of Hanover.

Between 1777 and 1821 the mayor was appointed by the Council of Appointments in which the state's governor had the loudest voice.

Between 1821 and 1862, several felids have been described from Southeast Asia that are subordinated under Neofelis today:

Between 10, 000 and 30, 000 Turks were killed in Tripolitsa by Greek rebels in the summer of 1821, including the entire Jewish population of the city.

Between its first publication and 1821, it went through many editions in Germany, where it was the general textbook of the science.

Between 1821 and 1861, Florida had no official flag.

Between 1816 and 1821, the city was led by local military leader General Martín Miguel de Güemes, who under the command of General José de San Martín, defended the city and surrounding area from Spanish forces coming from further north.

Between 1821 and 1830 the Whig Commons leadership was left vacant.

Between the years 1711 – 1716 and 1821, a number of them were appointed Hospodars ( Voivodes or Princes ) in the Danubian Principalities ( Moldavia and Wallachia ), usually as a promotion from dragoman offices ; that period is usually termed the Phanariote epoch in Romanian history.

Between 1803 and his death in 1821 Bartsch published in French in 21 volumes Le Peintre Graveur, a pioneering catalogue of old master prints by Dutch, Flemish, German, and Italian painter-engravers from the 15th to the 17th century.

Between 1815 and 1821 the president was Dr. Jose Núñez of Caceres.

Between these duties he served a number of years as the Mayor of New Brunswick, New Jersey including 1792 – 1794, 1801 – 1813, and 1821 – 1824.

Between 1817 and 1821, expeditions of Comanche and Apache Indians numbering several thousand penetrated deep into the provinces further south of Texas.

Between 1821 and 1823, he occupied the same position at the University of Jena.

Between 1819 and 1821, a 1, 600-foot-long ( 487 m ) dam was built across the Schuylkill to direct water to a Mill House with three water wheels that replaced the steam engines in 1822.

Between 1847 and 1980, the state of Liberia was governed by the small minority of African-American colonists and their offspring, together called Americo-Liberians, suppressing the large indigenous majority of 95 % of the Liberian population.

Between 1847 and 1851 a massive wave of Asiatic cholera swept over Russia, claiming about one million lives.

Between 1847 and 1860 over 43, 000 Mormon settlers and tens of thousands of travelers on the California Trail and Oregon Trail followed Young to Utah.

Between 1847 and 1970 the town was served by St Ives railway station on the Cambridge and Huntingdon railway.

Between 1845 and 1847, Franco-Belgian composer César Franck wrote an orchestral piece based on Victor Hugo's poem Ce qu ' on entend sur la montagne.

Between 1847 and 1870, the population of San Francisco exploded from 500 to 150, 000.

Between 1844 and 1847, he was lucratively employed in railway construction planning.

Between 1847 and 1894, Delavan was home to 26 circus companies.

Between 1847 and 1980, the presidency was exclusively held by Americo-Liberians, the original American settlers of Liberia and their descendants.

Between 1847 and 1851, Wade was a judge of common pleas in what is now Summit County ( Ohio ).

Between February and May 1847 the station at New Cross was the northern terminus of the atmospheric propulsion system introduced by the L & CR, but in the latter month the system was abandoned by the new company.

Between the years 1845 and 1847, Sarmiento travelled across parts of South America to Uruguay, Brazil, to Europe, France, Spain, Algeria, Italy, Armenia, Switzerland, England, to Cuba, and to North America, the United States and Canada in order to examine different education systems and the levels of education and communication.

* Between 1847 and 1879 a " horse railway " was used to portage passengers from the Ottawa River steamboat in a horse-drawn car for 5. 5 kilometres along the wooded shore, around the Chats Falls, on the Quebec side of the river between the ghost villages of Pontiac Village and Union Village, near Quyon Quebec, to another steamboat to continue their journey upriver.

Between 1847 and 1857, convicts were used to dig the Fitzroy Dock, Australia ’ s first dry dock, on the island.

Between 1847 and 1852 Bond and pioneer photographer John Adams Whipple used the Great Refractor telescope to produce images of the moon that are remarkable in their clarity of detail and aesthetic power.

Between 1817 and 1847 he held the honorary post of Lord Lieutenant of Northumberland.

Between 1837 and 1847, Duncan Phyfe took his two sons, Michael and James, as business partners and the firm went under the names D. Phyfe & Sons ( 1837 – 1840 ) and after Michael's premature death, D. Phyfe & Son ( 1840 – 1847 ).

Between 1847 and 1849, Matthew Fontaine Maury collected enough information to create wind and current charts for the world's oceans.

Between 1840 and 1847 the Union Bank issued its own bank notes for circulation in New Zealand.

Between 1842 and 1847, the first port facility was created by the Baden State Railway Administration.

Between 1844 and 1847 Fallmerayer served Maximilian as a mentor, and occasionally as a private tutor, on historical and political questions.

Between 1815 and 1847 he rose to the rank of field marshal lieutenant.