Theodore Roosevelt, age 7. He was called "Teedie" by his parents and siblings. NPS Childhood 1858 October 27 - Born at 28 East 20th Street, New York, NY to Theodore Sr. and Martha ("Mittie") Bulloch Roosevelt. He was the second child of four (sister Anna "Bamie" born 1855) 1860-61 Brother Elliot (1860) and sister Corinne (1861) born 1870 Father helps found American Museum of Natural History

Creates "Roosevelt Museum of Natural History" in his bedroom

Begins intense physical fitness regime; continued throughout life

May 12 to May 25 - Goes on a tour of Europe with his family 1871 July 17 - Grandfather Cornelius Van Schaak Roosevelt dies

Receives first pair of eyeglasses at age 13 1872-73 October - Family embarks on another trip abroad; travels include Egypt and the Holy Land

Collects animal specimens from North Africa and Middle East to bring home

Receives a shotgun for his 14 th birthday

birthday May - Stays in Germany with brother Elliot to study language

November 5 - Returns home to New York 1874 Family spends first summer at Oyster Bay, future location of Sagamore Hill

Edith Carow joins Roosevelt family for summer trip Theodore Roosevelt in rowing attire, Harvard. NPS Harvard University and the State Assembly 1876-77 September - Begins education at Harvard University

July - Writes The Summer Birds of the Adirondacks 1878 February 9 - Theodore Roosevelt Sr. dies from stomach cancer

September 7 - Meets Maine woodsman Bill Sewall

October 18 - Meets Alice Hathaway Lee 1880 February 14 - Engaged to Alice Hathaway Lee

June 30 - Graduates from Harvard, magna cum laude

October 27 - Marries Alice Hathaway Lee on his 22 nd birthday

birthday December - Enters Columbia Law School (will discontinue in 1882 for political career)

Joins the Republican Party 1881 August - Climbs the Matterhorn while vacationing in Europe with Alice

November - Elected to the New York State Assembly (youngest ever elected to the office) 1882-83 Publishes first major literary work, The Naval War of 1812 ; book later becomes required reading at the Naval Academy in Annapolis

; book later becomes required reading at the Naval Academy in Annapolis Continues to serve in New York State Assembly

August 1 - Joins the National Guard; commissioned a Second Lieutenant

January 1 - Elected Speaker of Republican Assembly (minority leader)

Prepares to head to Dakota Territory to hunt bison Theodore Roosevelt in ranching attire. NPS Dakota Territory 1883 September 8 - Arrives in the town of Little Missouri in Dakota Territory; hires Joe Ferris as hunting guide.

Spends two weeks hunting in Dakota; invests $14,000 in Chimney Butte (locally known as the Maltese Cross Ranch, with partners Sylvane Ferris and Bill Merrifield as managers.

September 23 - Returns to New York and Alice 1884 February 12 - First child, Alice Lee Roosevelt, born

Returns home after receiving telegram his wife and mother are ill

February 14 - Mother Martha Bulloch Roosevelt dies of typhoid fever; hours later, wife Alice Hathaway Lee Roosevelt dies from kidney failure

March - Commissions home to be built at Oyster Bay for his daughter

June 3 - Delegate to the Republican National Convention

June 9 - Returns to Dakota Territory; soon establishes the Elkhorn Ranch

August - Bill Sewall arrives in Dakota to build and manage the Elkhorn

August to September - Embarks on hunting trip to the Bighorn Mountains

October - Returns to New York to work on Blaine presidential campaign

November - Travels to Dakota Territory to help with Elkhorn construction

December - Helps organize the Little Missouri River Stockmen’s Association

Returns to New York before Christmas 1885 March - Finishes Hunting Trips of a Ranchman , first book on his western experiences

, first book on his western experiences April - TR returns to Dakota Territory and his Elkhorn Ranch and stays for 2 months

Engages in a bar fight in Mingusvile (present day Wibaux, MT)

May - Participates in spring roundup

June - Returns to New York after 32 days on the roundup

Sagamore Hill is completed

November - Secretly courting his childhood sweetheart, Edith Carow 1886 March to April - With the help of Bill Sewall and Wilmot Dow, captures the infamous boat thieves

April - Acts as delegate to Montana Stock Growers Association

July 4 - Delivers speech in Dickinson (Dakota Territory) as Orator of the Day

August - Hunts mountain goats in Montana

November - Loses race for mayor of New York City

December 2 - Marries Edith Carow secretly in London

One of the worst winters in recorded history settles in over Dakota Territory 1887 Publishes Life of Thomas Hart Benton , written mostly during his time at Elkhorn

, written mostly during his time at Elkhorn April - Visits Dakota to survey cattle losses; over half of his herd lost over the winter

Begins to sell off interests in his cattle ranchers, ensuring his managers do not suffer a loss

Takes up residence at Sagamore Hill with Edith

September 13 - First son, Theodore Roosevelt Jr. is born at Sagamore Hill

December - Helps establish Boone & Crockett Club, nation's first fair-hunting organization

Theodore Roosevelt and his Rough Riders, the volunteer cavalry regiment he helped form; the idea was born from his time spent with cowboys in the Dakota Territory. Wikipedia Making Waves in the East 1888 Publishes several books, including Life of Gouverneur Morris , Ranch Life and the Hunting Trail , and Essays in Practical Politics

, , and Briefly visits Dakota to hunt 1889 October 10 - Kermit Roosevelt born at Sagamore Hill

Publishes first two volumes of The Winning of the West

May - Starts as U.S. Civil Service Commissioner in Washington, DC; holds position until 1895

Visits Dakota on a hunting trip 1890 September - Visits Elkhorn with Edith, sisters Anna and Corinne, and others; travel to Yellowstone 1891 Publishes History of New York

August 13 - Daughter Ethel Carow Roosevelt born at Sagamore Hill

Travels to Elkhorn to hunt 1892 Goes on inspection tour of Indian Reservations, and hunts at the Elkhorn 1893 Publishes The Wilderness Hunter , final book about his western experiences

, final book about his western experiences Visits Dakota on hunting trip 1894 April 10 - Son Archibald Bulloch Roosevelt born in Washington, DC

August 14 - Brother Elliott (father of Eleanor Roosevelt) dies

Travels to Dakota for a hunting trip 1895 Publishes Hero Tales from American History , in collaboration with Henry Cabot Lodge

, in collaboration with Henry Cabot Lodge May 5 - Resigns Civil Service Commission to become Police Commissioner of New York City

May 6 - Elected President of the Board of Police Commissioners 1896 Throughout 1895-96, received national attention for police reforms in New York City

Goes hunting at Elkhorn Ranch 1897 Publishes American Ideals

April 19 - Appointed Assistant Secretary of the Navy by President William McKinley

November 19 - Son Quentin Roosevelt born in Washington, DC 1898 TR sells his final cattle interests in Dakota at outbreak of Spanish-American War

May 6 - Resigns as Assistant Secretary of the Navy to join 1 st U.S. Volunteer Cavalry Regiment

U.S. Volunteer Cavalry Regiment Receives Lieutenant-Colonel commission and forms the "Rough Riders"

May to August - Serves in Cuba during Spanish-American War; promoted to Colonel

August 14 - The Rough Riders land at Montauk, Long Island, to begin a six-week quarantine

September 27 - Nominated by the Republican Party for Governor of New York State

November 8 - Elected Governor of New York State; serves until end of 1900 1900 Nominated to vice presidential Republican ticket, a position some considered a political graveyard

On a campaign stop in Medora, ND, declares “here the romance of my life began”

November 6 - Elected vice president Roosevelt as president in his library at Sagamore Hill. Dickinson State University The Presidency 1901 March to September - Serves as vice president

September 6 - President McKinley shot while Roosevelt is hiking in the Adirondacks

September 14 - Becomes 26th President of the United States, youngest to ever hold the office 1902 February - Begins first of 45 antitrust suits to dissolve business monopolies

May 22 - Crater Lake National Park in Oregon established 1903 March - Establishes Pelican Island, FL as first federal bird reserve

November - Signs treaty with Panama for building of Panama Canal 1904-1905 Re-elected president

Establishes United States Forest Service

Establishes Wichita Forest, OK as first federal game preserve

Negotiates the Russo-Japanese peace treaty 1906 Establishes numerous national parks and monuments

November - Becomes first president to leave the country in a visit to Panama Canal

December - Awarded Nobel Peace Prize for mediating treaty of Russo-Japanese War 1908 May - First conference of governors convened at White House to discuss conservation

June - Appoints National Conservation Commission to inventory natural resources 1909 March - Presidency ends

In total, established 230 million acres of public lands

Public interest and celebrity increases after leaving office A political cartoon depicting Roosevelt as a "Bull Moose" After the Presidency 1909 March - Departs for year-long African safari with son Kermit

Writes journal articles of adventures in Africa to be published in US magazine 1910 Accepts Nobel Peace Prize (from 1905) in Norway

June 18 - Returns to NY from Africa and Europe travels

Publishes African Game Trails , a complete book about his hunting safari 1911 Delivers speeches throughout 1910 and 1911, including one in Medora, ND 1912 February - Receives petition from Republican governors to accept nomination for president

June - Republican National Convention re-nominates incumbent Howard Taft

August - Convention of the new National Progressive party (nicknamed the “Bull Moose” party)

Nominated as presidential candidate for Progressive party

October 14 - Shot in the chest before campaign speech; finishes speech

November 5 - Despite receiving largest number of votes for a third-party candidate, loses presidential election to Woodrow Wilson 1913 Publishes Theodore Roosevelt - An Autobiography and History as Literature and Other Essays

October 4 - Sails for South America for lecture tour and jungle expedition 1914 February to April - Embarks on an expedition to explore an uncharted tributary of Amazon River

Sustains severe leg injury during expedition and nearly dies

May - Returns safely to New York

Publishes Through the Brazilian Wilderness and Life Histories of African Game Animals 1916 June - Declines Progressive presidential nomination and backs Republican candidate 1917 February - Requests permission to raise infantry division "in the event of war;" request denied

Four sons enlist in military; daughter Ethel serves as a Red Cross nurse 1918 July 14 - Youngest son Quentin killed while serving as a fighter pilot in France

July - Refuses Republican nomination for Governor of New York

Publishes The Great Adventure

Makes a train stop in Medora, ND 1919 January 6 - Dies in sleep at Sagamore Hill of a coronary embolism (arterial blood clot), age 60 Sources: Theodore Roosevelt Center at Dickinson State University