Timeline: Catherine ?

1820 -

	Date	Event(s)
1	1760	25 Oct 1760—29 Jan 1820: Reign of George III King of Great Britain and Ireland * King of the United Kingdom of Great Britain and Ireland
2	1797	16 Nov 1797—7 Jun 1840: Reign of Frederick William III King of Prussia
3	1817	4 Mar 1817—4 Mar 1825: Presidency of James Monroe 5th President of the USA
4	1820	29 Jan 1820—26 Jun 1830: Reign of George IV King of the United Kingdom of Great Britain and Ireland
5	1825	4 Mar 1825—4 Mar 1829: Presidency of John Quincy Adams 6th President of the USA
6	1829	4 Mar 1829—4 Mar 1837: Presidency of Andrew Jackson 7th President of the USA
7	1830	26 Jun 1830—20 Jun 1837: Reign of William IV King of the United Kingdom of Great Britain and Ireland
8	1837	4 Mar 1837—4 Mar 1841: Presidency of Martin Van Buren 8th President of the USA 20 Jun 1837—20 Jan 1901: Reign of Victoria Queen of the United Kingdom of Great Britain and Ireland * Empress of India
9	1840	7 Jun 1840—2 Jan 1861: Reign of Frederick William IV King of Prussia
10	1841	4 Mar 1841—4 Apr 1841: Presidency of William Henry Harrison 9th President of the USA 4 Apr 1841—4 Mar 1845: Presidency of John Tyler 10th President of the USA
11	1845	1845—1852: Irish Potato Famine The Great Famine, also known as the Great Hunger, the Great Starvation, the Famine (mostly within Ireland) or the Irish Potato Famine (mostly outside Ireland), was a period of mass starvation and disease in Ireland, with the most severely affected areas in the west and south of Ireland, where the Irish language was dominant. During the Great Hunger, about 1 million people died and more than a million fled the country, causing the country's population to fall by 20%–25%. 4 Mar 1845—4 Mar 1849: Presidency of James K. Polk 11th President of the USA
12	1849	4 Mar 1849—9 Jul 1850: Presidency of Zachary Taylor 12th President of the USA
13	1850	9 Jul 1850—4 Mar 1853: Presidency of Millard Fillmore 13th President of the USA
14	1853	4 Mar 1853—4 Mar 1857: Presidency of Franklin Pierce 14th President of the USA
15	1857	4 Mar 1857—4 Mar 1861: Presidency of James Buchanan 15th President of the USA
16	1861	4 Mar 1861—15 Apr 1865: Presidency of Abraham Lincoln 16th President of the USA 12 Apr 1861—9 Apr 1865: American Civil War Civil war in the United States fought between northern states loyal to the Union and southern states that had seceded to form the Confederate States of America.
17	1865	15 Apr 1865—4 Mar 1869: Presidency of Andew Johnson 17th President of the USA
18	1867	1 Jul 1867: Canadian Confederation The Confederation of the Dominion of Canada was the process by which the British colonies of the Province of Canada (Ontario & Quebec), Nova Scotia, and New Brunswick were united into one federation.
19	1869	4 Mar 1869—4 Mar 1877: Presidency of Ulysses S. Grant 18th President of the USA 16 Oct 1869—10 Feb 1870: Red River Resistance The Red River Rebellion, also known as the Red River Resistance, Red River uprising, or First Riel Rebellion, was the sequence of events that led to the establishment of a provisional government by the Métis at the Red River Colony, in what was the early stages of establishing the Canadian province of Manitoba.
20	1871	18 Jan 1871—9 Mar 1888: Reign of Wilhelm I King of Prussia * German Emperor
21	1877	4 Mar 1877—4 Mar 1881: Presidency of Rutherford B. Hayes 19th President of the USA
22	1881	4 Mar 1881—19 Sep 1881: Presidency of James A. Garfield 20th President of the USA 19 Sep 1881—4 Mar 1885: Presidency of Chester A. Arthur 21st President of the USA
23	1885	4 Mar 1885—4 Mar 1889: Presidency of Grover Cleveland 22nd President of the USA 26 Mar 1885—12 May 1885: North-West Resistance The North-West Resistance or Rebellion, was a rebellion by the Métis people and associated First Nations of the District of Saskatchewan against the Canadian government.
24	1888	15 Jan 1888—9 Nov 1918: Reign of Wilhelm II King of Prussia * German Emperor 9 Mar 1888—15 Jan 1888: Reign of Frederick III King of Prussia * German Emperor
25	1889	4 Mar 1889—4 Mar 1893: Presidency of Benjamin Harrison 23rd President of the USA
26	1893	4 Mar 1893—4 Mar 1897: Presidency of Grover Cleveland 24th President of the USA
27	1896	1896—1899: Klondike Gold Rush Gold was discovered on Bonanza Creek, a tributary of the Klondike River in Yukon, Canada. During the Klondike Gold Rush from 1897 to 1899 at least 100,000 people stampeded to the gold fields.
28	1897	4 Mar 1897—14 Sep 1901: Presidency of William McKinley 25th President of the USA
29	1901	1 Jan 1901: Federation of Australia The Federation of the Commonwealth of Australia. The process by which six separate British self-governing colonies (Queensland, New South Wales, Victoria, Tasmania, South Australia, and Western Australia) agreed to unite and form the Commonwealth of Australia, establishing a system of federalism in Australia. 22 Jan 1901—6 May 1910: Reign of Edward VII King of the United Kingdom of Great Britain and Ireland and Emperor of India 14 Sep 1901—4 Mar 1909: Presidency of Theodore Roosevelt 26th President of the USA
30	1907	26 Sep 1907: Dominion of New Zealand The Dominion of New Zealand was formed when it was chosen not to take part in the Federation of Australia.
31	1909	4 Mar 1909—4 Mar 1913: Presidency of William Howard Taft 27th President of the USA
32	1910	6 May 1910—20 Jan 1936: Reign of George V King of the United Kingdom and the British Dominions, and Emperor of India 31 May 1910—31 May 1961: Union of South Africa The Union of South Africa came into being with the unification of the Cape Colony, the Natal Colony, the Transvaal, and the Orange River Colony. It included the territories that were formerly a part of the South African Republic (1852 to 1902) and the Orange Free State (1854-1902).
33	1913	4 Mar 1913—4 Mar 1921: Presidency of Woodrow Wilson 28th President of the USA
34	1914	28 Jul 1914—11 Nov 1918: World War I WWI also known as the Great War
35	1916	24 Apr 1916: Easter Rising An armed insurrection in Ireland during Easter Week in April 1916. The Rising was launched by Irish republicans against British rule in Ireland with the aim of establishing an independent Irish Republic
36	1917	8 Mar 1917—16 Jun 1923: Russian Revolution The Russian Revolution was a period of political and social revolution across the territory of the Russian Empire, commencing with the abolition of the monarchy in 1917 and concluding in 1922 with the Bolshevik establishment of the Soviet Union at the end of the Civil War.
37	1918	Feb 1918—Apr 1920: Spanish Flu The Spanish flu, also known as the 1918 influenza pandemic, was an unusually deadly influenza pandemic, infecting 500 million people – about a third of the world's population at the time – in four successive waves. The death toll is typically estimated to have been somewhere between 20 million and 50 million, making it one of the most deadliest pandemics in world history. 9 Nov 1918: Monarchy of Germany Abolished Wilhelm II, the last German Emperor and King of Prussia, abdicated and went into exile in the Netherlands upon Germany's defeat in World War I in 1918.
38	1919	21 Jan 1919—11 Jul 1921: Irish War of Independence The Irish War of Independence or Anglo-Irish War was a guerrilla war fought in Ireland from 1919 to 1921 between the Irish Republican Army (IRA) and British forces. As a result, in April 1921 the island was partitioned into Southern and Northern Ireland.
39	1921	4 Mar 1921—2 Aug 1923: Presidency of Warren G. Harding 29th President of the USA 3 May 1921: Partition of Ireland The partition of Ireland was the process by which the Government of the United Kingdom of Great Britain and Ireland divided Ireland into two self-governing polities: Northern Ireland and Southern Ireland. The Government of Ireland Act 1920, intended for both home rule territories to remain within the United Kingdom and contained provisions for their eventual reunification. Following the Anglo-Irish Treaty, the territory of Southern Ireland left the UK and became the Irish Free State, now the Republic of Ireland.
40	1923	2 Aug 1923—4 Mar 1929: Presidency of Calvin Coolidge 30th President of the USA
41	1927	12 Apr 1927: Royal and Parliamentary Titles Act 1927 The United Kingdom of Great Britain and Ireland continued in name until 1927 when it was renamed the United Kingdom of Great Britain and Northern Ireland.
42	1929	4 Mar 1929—4 Mar 1933: Presidency of Herbert Hoover 31st President of the USA 24 Oct 1929: Stock Market Crash The collapse of the American stock market begins the Great Depression, which ravages the economy during the “Dirty Thirties.”