Our Family History

The Genealogy of Robert and Christina Barritt

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Johann EHLERS

Male 1790 - 1843  (52 years)


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   Date  Event(s)
1790 
1791 
1792 
  • 1792: Italy - Volta discovered he could arrange metals in a series in such a way that chemical energy is converted into electrical energy; that is, two dissimilar metals are submerged in an electrolyte and connected by an circuit and thereby exchange electrons. By 1800, he had invented the so-called voltaic cell, a pile of such metals 'consisting of pairs of silver and zinc disks separated by pieces of moist cardboard'
  • 1792: Great Britain - Coal gas is used for lighting for the first time. Mary Wollstonecraft publishes her Vindication of the Rights of Women
  • 1792: Great Britain - Cartwright invents steam-powered weaving loom
  • 1792: Great Britain - The first ambulance.
1793 
  • 1793: Great Britain - Economic depression
  • 1793: Great Britain - Speculative 'Canal Bubble' bursts
  • 1793: Great Britain - Board of Agriculture formed to popularise new methods and machinery
  • 1793: Great Britain - Britain becomes foremost world trader during period to 1815
  • 1793: Great Britain - Eli Whitney invents the cotton gin which efficiently separates cotton fibers from the seeds, allowing one person to do a job once done by 50 people. This profoundly changes the economics of raising cotton, revitalizing slavery in the American South.
  • 1 Feb 1793: Great Britain - France declares war on Britain
1794 
  • 1794: Great Britain - Erasmus Darwin, Charles' grandfather, proposed that 'warm-blooded animals have arisen from one living filament...possessing the faculty of continuing to improve by its own inherent activity, and of delivering those improvements by generation to its posterity.'
  • 1794: Great Britain - Metric system introduced in France
  • 1794: Great Britain - More lower-class radicalism, Habeas Corpus suspended again, instigators charged with treason, in Scotland found guilty and transported
  • 1794: Great Britain - Welshman Philip Vaughan invents ball bearings.
  • 1794: Great Britain - Total of 40,000 British troops die in West Indies in war with France over two year period
  • 1 Jun 1794: Great Britain - Howe defeats French fleet at Ushant
1795 
1796 
  • 1796: Great Britain - Edward Jenner investigated the folk tale that milk maids were immune to small pox, the virus variola major, and in a brief series of experiments confirmed that exposure to cow pox, the virus vaccinia, rendered immunity
  • 1796: Italy - General Napoleon Bonaparte appears on scene, attacks Austrian armies
  • 1796: Ceylon - British conquer Ceylon
1797 
  • 1797: Europe - All Europe makes peace with France save Britain, sea battle off Cape St. Vincent (off Spanish coast), Jervis and Nelson (then Captain) utterly defeat big French and Spanish fleet
  • 1797: Great Britain - Royal Navy sailors at Spithead and the Nore mutiny over deplorable conditions
  • 1797: USA - John Adams president of the USA 1797-1801.
  • 1797: Great Britain - A British inventor, Henry Maudslay invents the first metal or precision lathe.
  • 1797: Great Britain - Wittemore patents a carding machine.
  • 1797: Great Britain - John Hetherington in London develops the top hat.
  • 1797: Great Britain - Major Dubied purchased the formula for an 'absinthe elixir' and together with his son, Henri-Louis Pernod sets up an absinthe factory in Switzerland.
1798 
10 1799 
11 1800 
12 1801 
  • 1801: UK - The first British Census is undertaken
  • 1801: UK - Population of England and Wales now 10 million, Great Britain estimated at 11 million, biggest increases in North and West Midlands, London now 1 million plus, Manchester 137,201, Glasgow and Edinburgh 100,000 plus, England has 8 towns larger than 50,000, 6 of them in the North; Lord Dundas travels on Scottish canal in small steamboat - beginning of steamboat travel
  • 1801: UK - Tripolitan War 1801-1805. Barbary Wars: also fought in 1815. United States vs Morocco, Algiers, Tunis and Tripoli 1801-1805.
  • 1801: USA - Thomas Jefferson president of the USA 1801-1809.
13 1802 
14 1803 
15 1804 
16 1805 
17 1806 
18 1807 
19 1808 
  • 1808: Peninsular War to drive the French out of Spain (until 1814)
  • 1808: Portugal - Battle of Vimeiro is a British victory; British casualties less than 40,000 dead
20 1809 
21 1810 
22 1811 
  • 1811: UK - Depression caused by Orders of Council.
  • 1811: UK - George III's illness leads to his son, the Prince of Wales, becoming Regent
  • 1811: UK - Ned Ludd leads rioters who smash machinery, burn factories, followers known as Luddites
  • 1811: UK - Birth rate falls all over England during the next 20 years
23 1812 
24 1813 
25 1814 
26 1815 
  • 1815: Europe - Peace is established in Europe at the Congress of Vienna.
  • 1815: UK - The Corn Laws are passed by Parliament to protect British agriculture from cheap imports
  • 1815: UK - Start of two-year commercial boom in Britain
  • 1815: UK - England has now 2600 miles of canals, 500 in Scotland and Ireland; China clippers take 109 days to sail 15000 miles from Canton to English Channel; Britain's population estimated at 13 million; Britain imports 82 million pounds of raw cotton, by 1860 1000 million pounds; coal output 16 million tons (30 miillion by 1835, 50 million by 1848)
  • 1815: UK - Sir Humphry Davy invents the miner's lamp.
  • 1815: UK - Over the next fifteen years, five new states are founded along Mississippi Valley, mostly due to people fleeing Depression; more go to Canada, as many as 20,000 some years, frequently Scots
  • Mar 1815: Elba, France - Napoleon escapes, leads French in war once more
  • 18 Jun 1815: Belgium - Duke of Wellington trounces the French at Waterloo with timely help of Blucher (Prussia)
27 1816 
28 1817 
29 1818 
30 1819 
31 1820 
32 1821 
33 1822 
  • 1822: France - First prototype Espresso machine
  • 1822: Ireland - Famine in Ireland prompts migration to US and Canada
34 1823 
35 1824 
36 1825 
37 1826 
38 1827 
39 1828 
40 1829 
41 1830 
42 1831 
43 1832 
44 1833 
45 1834 
46 1835 
47 1836 
48 1837 
49 1838 
50 1839 
51 1840 
52 1841 
53 1842 
54 1843