| Date | Topic | Event | Coordinates |
| 1763 | | The Mason-Dixon survey placed a marker north of the later 1825 crossroads (named Harney c. 1897) which was later taken—it was replaced during a ceremony c. 1976. | 39°43′18″N 77°12′00″W / 39.7217°N 77.2°W / 39.7217; -77.2 (Mason-Dixon marker) |
| 1808 | road | A Pennsylvania court approved a road between Gettysburg and Maryland via a fording through Rock Creek near the Black's Mill dam to allow travel to Taneytown[5] (a c. 1787 westward road to Black's Mill had been established "from John Little's [tavern] on the Baltimore Pike.")[6] | |
| 1815[7] | business (nearby) | Nicholas Eckes built the first home in the vicinity at a site near the Monocacy River, west of the area that would become the town. Eckes performed shoemaking at the farm—his son Enoch Eckes continued shoemaking there & the property transferred to 4 shoemakers: Peter Reigle, John Reindollar, Harry Rineman, and Samuel Eline.[8] |
| 1824[7] | business | The 1st store was opened by Jesse Cornell [sic][8] at what became the town of Monocacyville (the property in 1955 was "owned by John Cornel"),[7] and the crossroads community eventually had 3 hotels (a harness shop was at 5949 Conover Road).) | [where?] |
| 1825 | road | The west/east "Emmitsburg and little stone [sic] road was opened up" to become the crossroad[8] with the north/south Gettysburg-Taneytown road. By 1895 the street names were Gettysburg Street (northward), Littlestown Street (eastward to Kingsdale), Taneytown Street (southward), and Emmitsburg Street (south-southwest). |
| c. 1839 | business | Elijah Eckenrode "opened up a small store" on the "old Lichtenwalter property" (in 1824 Nicholas Eckes had subdivided land and sold part "to Adam Lichtenwalter who built a two story log house", e.g., after moving from the old residence.)[8] In 1843 Jacob Kreglo subsequently bought the small store property which transferred to Philip Shriner who "started[when?] wagon making."[8] |
| 1863-07-01 | Civil War | General Hancock was sent north from near Taneytown and passed through Monocacyville to command at Gettysburg ~3[9]-6 pm.[10] |
| 1863-07-01 | Civil War | Hancock's II Corps (Union Army) traveled through Monocacyville to bivouac for the night near Horner's Mill (arrived at the battlefield c. 7am July 2.)[10]: 33 |
| 1863-07-01 | Civil War | Ames Battery G established an overnight camp near Monocacyville en route from Taneytown to their Battle of Gettysburg, Second Day, engagement at The Peach Orchard during the afternoon Hood's Assault.[11] (Third Corps artillery trains left Taneytown later on July 2 at 10:30 p.m.)[12] |
| 1863-07-01 | Civil War | George G. Meade from Taneytown passed through Monocacyville en route to Gettysburg, where he arrived at night[9] after Hancock had returned via Horner's Mill and Monocacyville to brief Meade at Taneytown.[10]: 29 |
| 1864 | business | "E. D. Hess sold his property to J. Worthington Jones, and [bought] the James Angel[13][verification needed]…property on Littlestown Street…built an addition to the house [and] small shop [where he] started the cabinetmaking business".[8] |
| 1866 | organization | The Evangelical United Brethren Church, Harney, Md was established[8]—the 1st burial in the United Brethren Cemetery (now Sunrise Cemetery), was tbd—the church was rededicated in 1931,[14] but closed after Rev. Garvin was the pastor in 1955.[15] |
| 1878 | business | George Fream's blacksmith shop closed, which had been the shop of his father (William Fream) until 1876 after the latter built on the Soloman Snider property (previously the John Rathfan property.)[8] |
| 1879 | mail | Bids were solicited for carrying weekly mail via Horner's Mill between Gettysburg and Harney.[16] |
| 1886 | business | James H. Reaver sold his Harney property to surgeon[17] (Harney had a Hesson General Store c. 1915,[18] and Daniel J. Hesson was the 1898 postmaster[19] until moving in 1899 to Hanover, Pennsylvania.)[20] |
| 1887 | school | The Harney "public school started in a room above S. S. Shoemaker's Store, and Mr. J. A. Angell was appointed its teacher". The school was later moved to a 2nd story of a new Shoemaker "agricultural warehouse" where H.O. Harner was a teacher.[4] |
| 1890 | organization | St. Paul's Evangelical Lutheran Church in Harney,[21] which was using Shoemaker Hall,[22] laid the church cornerstone with a list of charter members[23] on land sold by Daniel Hesson.[24] and which The 1st trustees were Dr. John Bush, John Ohler, Martin Slagle, Abraham Waybright, Blanch Yingling and Katherine Hall, and the "first baby baptized in the church was Earlington Shriver"[24] who had been born April 24, 1890. | 39°42′55″N 077°12′19″W / 39.71528°N 77.20528°W / 39.71528; -77.20528[25] |
| 1892 | business | John Myers moved to Harney to take over Centennial Mill[26][27] and "William Myers [during] 1893…had a full set of rolls put in".[4] |
| 1893 | organization | The Lutheran church acquired land for their[24] Mountainview Cemetery northwest of Harney (the first burial was tbd.) |
| 1895-01 | business | "Andrew Degroft's large machine shed,[specify] just back of the U. B. Church, caught fire one evening about 9 o'clock".[4] |
| 1895 | business | A summer newspaper identified Harney businesses: Daniel J. Hesson's store, W. A. Snider's store, Mr. T. H. Eckenrode's Union Hotel, John J. Hess's blacksmith shop, and the nearby William Myers mill. Other notable 1895 Harney structures were Miss[clarification needed] Perry Eyler's place that had been C. F. Reindoller's drug store, D. T. Shoemaker's "most beautiful" home, and W. A. Snider's "most perfectly built" house on Littlestown Street.[8][4] |
| c. 1897 | business | After a local storekeeper agreed to keep mail for customers to pick up,[28] Monocacyville was renamed when Emmitsburg's 1893-7 postmaster, James Elder, dubbed the post office "Harney" for General William S. Harney of the American Indian Wars. First postmaster was Jeremiah Reinhart,[29] and Daniel Hess was the 1898 postmaster.[8] | "unknown"[25] |
| 1898 | business (nearby) | Myers Mill* near Harney (owned by Mrs. Hannah C. Myers)[30] and the "adjoining" (downstream) Stonesifer Mill[31] claimed the Gettysburg Water Works had decreased the Marsh Creek/Monocacy River water supply and made the mills inoperable.[32] In 1920, Myers'[33] "three story roller mill [burned down] below the juncture of Marsh and Rock creeks near Harney [where] the dam made to furnish water power from the Monocacy [created] a favorite spot for boating and swimming parties"[34] (cf. the Reaser Hose camp adjoining[35] the "Good Samaritan Masonic Camp"[36] northwest of Harney.)** |
| 1900 | mail | A direct postal route between Gettysburg and Taneytown was planned[37] to replace the Pennsylvania circuitous mail route to Harney:[38] - Gettysburg (on the square)-Two Taverns (C. A. Yost store) -Harney-Barlow (1890 Mills' store)-Sedgwick (Bushman store at Round Top)-Gettysburg
(Occasional deliveries to Harney from the store at the Natural Dam mill to the west provided mail from the Fairplay, Pennsylvania, route.) |
| 1900 | organization | Mason and Dixon Lodge, No. 69 of the Independent Order of Odd Fellows (Oddfellows,[39] colloq.) was founded<Ref.[1]</ref> and had a 1907 anniversary banquet catered by fraternal Brothers Harry E. Rothhaupt and John Thompson.[40] In February 1942 the Lutheran "church bought the Odd Fellows Lodge Hall to be used as a parish house."[24] | 39°42′54″N 77°12′24″W / 39.715083°N 77.206649°W / 39.715083; -77.206649[41] |
| 1915 | | Community recreation areas at " Shriver's grove, near this place" (east beyond the state line) had a Lutheran church "base ball game" and at "the F. C. Null grove, near town" (just outside on Baptist Road) had the "United Brethren…annual picnic".[42] |
| 1921 | business | Estee Ray Kiser owned a Harney automobile business shop[43] (a c. 1926 garage along Gettysburg Street was open as late as 1942.)[44] | 39°42′52″N 77°12′25″W / 39.714453°N 77.207010°W / 39.714453; -77.207010[45] |
| tbd | school | A schoolhouse was built (the Harney PTA in April 1955 met in the school.)[46] | [specify] |
| 1933 | road | A "Memorial Boulevard" proposed [as the] Lincoln Memorial road in 1908, "Washington-to-Gettysburg road" in 1911,[47] & "Lincoln Highway to Gettysburg" in 1913 was planned through Chevy Chase, Silver Spring, New Lisbon (or Westminster), Taneytown,[48] and the Harney area to connect the Lincoln Memorial in Washington DC to the Lincoln Address Memorial in the Gettysburg National Cemetery.[49] (the competing plan for a Lincoln Memorial[50] was completed instead of the Memorial Boulevard.) |
| c. 1947[51] | organization | The Harney Baseball Club[52] built a baseball field with grandstand east of the Lutheran church.[51] After playing in the Adams County Baseball league (e.g., 1946),[53] the team lost two players to the 1947 Gettysburg Legion team[54] and joined the South Penn Baseball League in 1953[55] Taneytown, Harney and the Emmitsburg Legion [replaced] Barlow, Hanover and Granite</ref>—Barlow's Chester Shriver was Harney's 1954 manager (the 1976 team name was "Athletics".)[56] In the 1980s the field was converted for slowpitch softball (Harney "Royals"), and it is now owned by the Lutheran church (which now also operates the Sunrise Cemetery started by the Brethren church). | 39°42′56″N 77°12′13″W / 39.715466°N 77.203678°W / 39.715466; -77.203678[57] |
| 1947-10-04 | organization | The Monocacy Valley Memorial Post 6918 of the Veterans of Foreign Wars was chartered with 30 members (later built a clubhouse at 5803 Conover Road.) | 39°43′00″N 77°12′01″W / 39.716644°N 77.200263°W / 39.716644; -77.200263[58] |
| 1951 | fire co. | The Harney Volunteer Fire Company was established.[7] The "Luther Ridinger Hall"[59]/"Luther Ridinger building"[60] had the initial siren (a shed held 2 fire extinguishers) and the building held meetings (e.g., 1953 fireman's carnival meeting) and recreation events (1956 "Record Hop"). | 39°43′01″N 77°12′28″W / 39.71694°N 77.20778°W / 39.71694; -77.20778[25] |
| 1951 | organization | Harney had a 4-H club.[61] |
| 1954 | store | Miller's General Store was open in Harney [62] (A. C. Leatherman had operated a Harney general store for 29 years.)[63] |
| 1955-06 | fire co. | The Maryland governor spoke at the dedication for the new $23,000[7] Carroll County Fire Department Station 11 (added to the GNIS in 2006.)[25] | [specify] |
| 1955 | | The United States Coast and Geodetic Survey placed an azimuth marker on the east side of the Lutheran church. |
| 1976 (by) | organization | The Harney Lions Club had formed,[52] (the Lutheran pastor was the 1998 president.)[64] |
| 1979-09-12 | | The USGS designated Harney in the GNIS—the "Harney Post Office (historical)" was designated in 1996 with "unknown" coordinates.[25] | 39°42′50″N 077°12′24″W / 39.71389°N 77.20667°W / 39.71389; -77.20667[25] |
| 1986 | business | Luther Ridinger's store on the "5000 Block of Harney Road"[65] had a fire.[66] | 39°42′52″N 77°12′24″W / 39.714377°N 77.206748°W / 39.714377; -77.206748[67] |
| 1992-04 | business | The Harney General Store, the community's last general store, closed.[68] |
| 2008-08-04 | fire co. | The Harney "first call" service area was increased to include an area of the defunct Kingsdale Fire Company[69] (disbanded in 2014.) |
| 1992 (by) | business | Harney Woodworking was established for cabinet manufacturing.[68] | [specify] |
| c. 2010 | business | A fire at 5036 Harney Road burned the former hotel that was the 2nd house north from the crossroads on the west side (the remains were removed.) | 39°42′52″N 77°12′25″W / 39.714342°N 77.207030°W / 39.714342; -77.207030[70] |
