Historical Markers in
Onondaga County, New York

9 Mile Creek Aqueduct A. [Alonzo] B. Caldwell Alexander D. Ellis Alexis de Tocqueville Amboy Airport atLantic ocean Baptist Church Benjamin C. Cook Birthplace of Charles Mason Borodino Hall Boyne Bradley House Built about 1820 Built Circa 1835 Cape Cod Cottage Cardiff Giant Casetown Cherry Valley Turnpike Childhood Home Christ Church Cigarville Station Civil War Memorial Civil War Memorial Civil War Veterans Memorial Col. Van Schaick Coleman's Irish Pub Congregational Church County Poor House Courier Building Crucible Industries Daniel Webster's "Syracuse Speech" Deep Spring Disciples Church Doman House Double Enders Drovers Tavern, 1820 Early Cemetery Early House Early School East Syracuse War Memorial Elbridge Elbridge Central Elizabeth Blackwell Street Elks Rest Enoch Reed Erie Boulevard Was Once the Erie Canal Erie Canal Erie Canal Fayette Park Fayetteville FDR Dedicated Our Medical College Building First County Courthouse First Log Cabin First Presbyterian First Sawmill First School First Steamboat First Tavern For God and Country Forman House Founded 1820 Francis Asbury Gardening Along the Erie Canal Gateway to the World Gen. Ellis Cemetery Gen. John J. Peck George and Rebecca Barnes House George Geddes Farm Gridley House Grover Cleveland Gunpowder Blast Hanover Square Harriet May Mills House Heritage Monument Founders 1997 Historic Church Horatio Seymour House c. 1835 How Much Does a Canal Boat Weigh? Howlett Hill Church Indian Hill Indian Hill Indian War Stone Industrial Area James E. Heath Park James Geddes James Geddes 1798 James K. McGuire Jesuit Mission John Leach Jordan Jordan Lock 51 Kana-Ta-Go-Wah Lake View Cemetery Liffey Locks LocktenderÂ’s House Log Cabin Site Lucius Gleason House Lyncourt World War II Memorial Marcellus Park Marcellus World Wars Memorial Matilda Joslyn Gage Matilda Joslyn Gage Home Mattydale Community Memorial Moravian Missionaries / GansevoortÂ’s Hundred Moses House Mrs. I.L. Crego House Munro Collegiate Institute N. Leonard's Inn 1798 Nathan Teall Nedrow c. 1798 Oak Orchard Old Burial Place Old Erie Canal Old Erie Canal State Historic Park at Kirkville Road Oldest Frame House On This Hill On-On-Da-Ga Onondaga Indians Onondaga Lake Milestones Otisco Southern Paddock Mill Pine Plains Pioneer Cemetery Pitts Park Plank Toll Road Plaster Mill Pompey Stone Pool's Brook Poster Project Prince Jackson House Site Railroad Yards Rev. Jermain and Mrs. Caroline Loguen Rock of the Marne Monument Roman Catholic Mission Church Rose Hill Cemetery / African Americans on the North Side Rounds Cemetery Salt Production School House No. 2 Scott Mulholland Shannon Sheldon Peck Sherwood Inn Site of an Underground Railroad Station Site of First Church Edifice Site of First Frame House Site of Green's House Site of John Greenway Mansion Site of Old Hotel Site of Pompey Academy Site of Tavern Site of The Great Fire Solar Salt Soldiers and Sailors Monument Soldier's and Sailor's Plot at Oakwood Spafford Veterans Memorial Spanish War Memorial Sperry & Rockwell Split Rock St. John's Beach State Troopers Steadman House Steeple Bell Syracuse Area Syracuse Area Syracuse Grade Crossing Elimination Techiroguen The 24-Second "Shot Clock" The Alvord House The Alvord House at Sehr Park The Banks of the Erie Canal The Canalway Trail: Jordan/Jordan Aqueduct and Summit The Canalway Trail:Elbridge/Lock 51 The Cardiff Giant The Erie Canal The Erie Canal - Canvass White The First School House The Great Central Depot The Great Genesee Road The Great New York State Fair The H. Dodge House The Indian Trail The Iroquois Trail The Jerry Rescue The Old Yard The Resort Era The Sanatorium The Solvay Process Company The Unknown Dead Thirteen Curves This Lot Timothy Jerome Town of Elbridge University Club Verbeck Gravesite War Memorial War Memorial War of 1812 Warners HS Wesleyan Methodist Church Why a Weighlock? Willett Tract Wm. H.H. Crosier World War II Wyborn Cemetery Young Abraham Lincoln "Factory Gulf"
The Adirondack Park, which covers more than six million acres in upstate New York, is the largest park in the contiguous United States. It was established in 1892 and contains more than 2,000 miles of hiking trails.
Onondaga County, located in central New York, has a rich history dating back thousands of years. It was originally inhabited by the Onondaga nation, one of the six nations that formed the Iroquois Confederacy. The Onondaga people were skilled farmers and traders, and their influence extended throughout the region. In 1654, French Jesuit missionaries established a mission in the area, marking the first European presence.

The arrival of European settlers in the late 18th century brought significant changes to Onondaga County. In 1794, the area became part of the newly created Onondaga County, named after the Onondaga people. Syracuse, the county seat and current largest city, was founded in 1820 and quickly grew due to its advantageous location for transportation and industry. The construction of the Erie Canal, completed in 1825, further boosted the region's development by facilitating trade and connecting New York City with the Great Lakes.

By the mid-19th century, Onondaga County became an industrial hub, with a booming salt industry, manufacturing, and trade. The county's salt reserves were highly valuable, earning Syracuse the nickname "Salt City." The region also played a significant role in the abolitionist movement, with notable figures such as Harriet Tubman and Gerrit Smith actively involved in the Underground Railroad.

In the 20th century, Onondaga County continued to thrive, embracing innovation and industry. The area witnessed the growth of Syracuse University, established in 1870, as well as the development of various manufacturing sectors including automobiles, electronics, and defense. Today, Onondaga County remains a vibrant and diverse community, blending its rich history with modern advancements in education, technology, and cultural heritage.

This timeline provides a glimpse into the major events and milestones that have shaped the history of Onondaga County, New York.

  • 1600s - The area that would become Onondaga County is home to the Onondaga Nation, one of the six nations of the Haudenosaunee, or Iroquois Confederacy.
  • 1779 - The Sullivan Expedition, led by General John Sullivan, devastates Onondaga settlements in retaliation for their support of the British during the American Revolution.
  • 1784 - The Treaty of Fort Stanwix is signed, establishing boundaries and reaffirming the sovereignty of the Onondaga Nation.
  • 1794 - Onondaga County is created as part of the newly formed state of New York.
  • 1825 - The Erie Canal opens, connecting Onondaga County and Syracuse to the Great Lakes and transforming the region into a major transportation hub.
  • 1834 - The city of Syracuse is officially incorporated.
  • 1848 - The discovery of salt deposits near Syracuse leads to the development of a lucrative salt industry in the area.
  • 1871 - Syracuse University is established.
  • 1878 - The city of Syracuse becomes the county seat of Onondaga County.
  • 1946 - The post-World War II era sees significant growth and development in Onondaga County, with expanding industries and infrastructure.
  • 1971 - Destiny USA, one of the largest malls in the United States, opens in Syracuse.
  • 2021 - Onondaga County continues to be a vibrant region with a diverse economy, including sectors such as healthcare, education, technology, and tourism.