 Birth | 1833 35 30 |
 Birth of a sister | Rachel Amanda Duncan February 1, 1835 (Age 2 years) |
 Historical Event | The Texas Revolution between October 1835 and April 1836 (Age 2 years)Note: The Texas Revolution (or Texas War of Independence) was fought from October 2, 1835 to April 21, 1836 between Mexico and the Texas (Tejas) portion of the Mexican state of Coahuila y Tejas. The Texas Revolution erupted in 1836, after Texas declared its independence from Mexico. Mexico responded by invading Texas, where General Santa Anna won decisive victories in the battles of the Alamo and Goliad. The war ended at the Battle of San Jacinto (about 20 miles) east of modern day downtown Houston) where General Sam Houston led the Texas Army to victory in 18 minutes over a portion of the Mexican Army under Santa Anna, who was captured shortly after the battle. The conclusion of the war resulted in the creation of the Republic of Texas - http://en.wikipedia.org/wiki/Texas_Revolution |
| Birth of a brother | Pharoah Duncan about 1840 (Age 7 years) Note: Birth year/place based on Census and Military Records |
 Census | June 1, 1840 (Age 7 years) |
| Birth of a sister | Artalissa Duncan about 1841 (Age 8 years) Note: Birth year/place based on 1850 census |
| Birth of a brother | Jasper Duncan March 2, 1841 (Age 8 years) |
| Death of a paternal grandfather | Thomas Duncan before November 3, 1845 (Age 12 years) |
| Birth of a sister | Sarah Ann Duncan about 1847 (Age 14 years) Note: Birth year/place based on 1850 Census |
| Historical Event | Mexican-American War from 1846 to 1848 (Age 13 years)Note: The Mexican-American War was an armed conflict between the United States of America and the United Mexican States from 1846 to 1848 in the wake of the 1845 U.S. annexation of Texas, which Mexico considered part of its territory despite the 1836 Texas Revolution - http://en.wikipedia.org/wiki/Mexican%E2%80%93American_War |
| Birth of a sister | Cordelia Duncan about 1849 (Age 16 years) Note: Birth year/place based on 1850 Census |
| Birth of a sister | Louisa Duncan from 1850 to 1856 (Age 17 years) Note: Not shown in 1850 Census; but, would have been born before Father died in 1856 |
| Census | September 8, 1850 (Age 17 years) |
| Death of a sister | Anna E Duncan July 29, 1851 (Age 18 years) |
 Marriage | Martha Magdett — View this family October 19, 1853 (Age 20 years) |
| Birth of a sister | Emaline Duncan about 1853 (Age 20 years) Note: Birth year/place based on 1880 Census |
| Will | August 2, 1856 (Age 23 years) |
| Death of a father | Benjamin Duncan January 6, 1857 (Age 24 years) Note: Benjamin's Will was written in 1856 with the Probate Court showing Estate activity in 1858 |
| Historical Event | Influenza Epidemic between 1857 and 1859 (Age 24 years)Note: In 1857-1859, there was an extremely severe worldwide outbreak of influenza - http://www.flutrackers.com/forum/showthread.php?t=3884 |
| Historical Event | American Civil War between April 1861 and May 1865 (Age 28 years)Note: In the spring of 1861, tensions between the northern and southern United States over issues including state's right versus federal authority, westward expansion and slavery exploded into the American Civil War - http://en.wikipedia.org/wiki/American_Civil_War |
| Historical Event | The Alaska Purchase 1867 (Age 34 years)Note: The Alaska Purchase was the purchase of 586,412 square miles of new territory by the United States from the Russian Empire (a bargain at two cents an acre) - http://en.wikipedia.org/wiki/Alaska_Purchase |
| Historical Event | Yellow Fever Epidemic 1867 (Age 34 years)Note: 3,093 perished from yellow fever in New Orleans - http://historyengine.richmond.edu/episodes/view/306 |
| Historical Event | Transcontinental Railroad completed 1869 (Age 36 years)Note: The First Transcontinental Railroad was a 1,907-mile contiguous railroad line constructed between 1863 and 1869 across the western United States to connect the Pacific coast with the existing Eastern U.S. rail network - http://en.wikipedia.org/wiki/First_Transcontinental_Railroad |
| Death of a sister | Daisy Duncan before 1871 (Age 38 years) Note: Death date based on the fact that person was not listed in their father's (Benjamin Duncan) Will Probate in 1871. |
| Death of a sister | Cordelia Duncan before 1871 (Age 38 years) Note: Death date based on the fact that person was not listed in their father's (Benjamin Duncan) Will Probate in 1871. |
| Death of a brother | Pharoah Duncan March 7, 1871 (Age 38 years) Note: See Obituary and Life Story record |
| Probate | September 1871 (Age 38 years) Note: Information is found on Images 1208 -> 1211. |
 Death | 1877 (Age 44 years) |
 Burial | Cemetery - also add to Place of burial: Forest Grove Cemetery |