Between 1821 and 1847, by a combination of purchase and conquest, American ‘ Societies ’ developed the colony ‘ Liberia .’ On July 26, 1847, it declared its independence.

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 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 1798 and 1826 Malthus published six editions of his famous treatise, An Essay on the Principle of Population, updating each edition to incorporate new material, to address criticism, and to convey changes in his own perspectives on the subject.

Between 1826 and 1831 settlers arrived from Tennessee, Kentucky, Missouri, and other Southern states.

Between 1824 and 1826 he lived and worked in Scarborough, and was responsible for the building of the Rotunda, a geological museum devoted to the Yorkshire coast. The Rotunda was re-opened as ' Rotunda – The William Smith Museum of Geology ', on 9 May 2008 by Lord Oxburgh, however, the Prince of Wales visited the Rotunda as early as 14 September 2007 to view the progress of the refurbishment of this listed building.

Between 1816 and 1826 discussions between Sir Stamford Raffles, Sir Humphry Davy, Sir Joseph Banks and others led to the idea that an establishment along the lines of the Jardin des Plantes was needed that would house a zoological collection " which should interest and amuse the public.

Between 1823 and 1826 he had Joseph Murray Ince as a pupil.

Between 1826 and 1832 she published more than 20 poems in local newspapers, including the Ravenna, Ohio Western Courier and the Ohio Star, using various pen names.

Between 1826 and 1829 he was part of an expedition to Egypt, Nubia and The Levant.

Between 1826 and 1836 convicts built the long Great North Road that links Sydney to the Hunter Region.

Between 1826 and 1829, he conducted the choir of Saint Cecilia, which consisted of 400 amateur singers.

Between 1826 and 1835 engineer major general Nikolai Ivanovich Yanisch repaired and expanded the Mytishchi Water Supply.

Between 1819 and 1826, Singapore was headed by two Residents of Singapore in succession, Maj .- Gen. William Farquhar and Dr. John Crawfurd.

Between 1824 and 1826, Grainger built most of Eldon Square and Blackett Street.

Between 1826 and 1840, there were at least 19 ship loads of convicts sent from Van Diemen's Land to Norfolk Island and at other times they were sent from Norfolk Island to Van Diemen's Land.

Between 2003 and 2006, in Sweden and the other Scandinavian countries FNC was broadcast 16 hours a day on TV8 ( with Fox News Extra segments replacing U. S. advertising ).

Between 1923 and 1924 Hayek worked as a research assistant to Prof. Jeremiah Jenks of New York University, compiling macroeconomic data on the American economy and the operations of the U. S. Federal Reserve.

Between 1979 and 1985, under John Negroponte's appointment as U. S. diplomat from 1981 to 1985, U. S. military and economic aid to Honduras jumped from $ 31 million to $ 282 million.

Between 1979 and 1985, U. S. development aid fell from 80 % of the total to 6 %.

Between 1946 and 1960 Liberia received from some $ 500 million in unrestricted foreign investment, mainly from the U. S. From 1962 to 1980, the U. S. donated $ 280 million in aid to Liberia.

Between 1945 and 1980, the posture of Western European states towards Liberia was largely that of the U. S .. Americo-Liberian rulers received hundreds of millions of dollars in unrestricted foreign investment, mainly from the U. S., but also from Western Europe.

Between 1955 and 1969 over 2, 000 books were published using lesbianism as a topic, and they were sold in corner drugstores, train stations, bus stops, and newsstands all over the U. S. and Canada.

Between 1907 and 1923, Newport News built six of the U. S. Navy's total of 22 dreadnoughts -- Delaware, Texas, Pennsylvania, Mississippi, Maryland, and West Virginia -- and all but the first would still be in active service in World War II.

Between 1929 and 1933, the gross national product of the United States decreased by 33 % while the rate of unemployment increased to 25 % ( with industrial unemployment alone rising to approximately 35 % – U. S. employment was still over 25 % agricultural ).

Between his election and his inauguration, Garfield was occupied with assembling a cabinet that would establish peace between the warring factions of the Republican Party, led by U. S. Sen. Roscoe Conkling and James G. Blaine.

Between March 2 and March 16, 2002 1, 700 airlifted U. S. troops and 1, 000 pro-government Afghan militia battled between 300 to 1, 000 al-Qaeda and Taliban fighters to obtain control of the valley.

Between 1933 and 1970 ( when the U. S. officially left the gold standard ), one U. S. dollar was technically worth exactly 1 / 35 of a troy ounce ( 889 mg ) of gold.

Between 1961 – 1964, the Hopi tribal council signed leases with the U. S government that allowed for companies to explore and drill for oil, gas and minerals within Hopi country.

Between 1900-1960, Howard ranked in the U. S. Top 200 ; between 1960 – 1990, it ranked in the U. S. Top 400 ; between 1990 – 2004, it ranked in the U. S. Top 600.

Between 1942 and 1945, Wyler, who became a United States citizen in 1928, served as a major in the United States Army Air Forces and directed two documentaries: The Memphis Belle: A Story of a Flying Fortress ( 1944 ), the story of a Boeing B-17 and its U. S. Army Air Force crew, and Thunderbolt!

Between Bolton and Mansfield, the road passed through the borough of North Coventry, entirely along present-day U. S. Route 44, known locally as the Boston Turnpike.

Between the intersection with State Route 112, on the western edge of the Olympic Mountains, U. S. 101 is signed east / west, and roughly south of the intersection with State Route 20, U. S. 101 is signed north / south but having turned around 180 degrees.