In 1784, following the peace treaty that ended the American Revolutionary War, the name of Tryon County was changed to Montgomery County to honor the general, Richard Montgomery, who had captured several places in Canada and died attempting to capture the city of Quebec, replacing the name of the despised British governor.

On April 11, 1805, the Militia of Lewis, Jefferson and St Lawrence was established by the Council of Appointment under General Walter Martin.

On June 15, 1808, the 1st Regiment was established under Lieutenant Luke Winchell, consisting of troops from Lowville, Denmark, Harrisburg and Pinckney.

On April 10, 1812, in anticipation of war, the President of the United States was authorized to call up men for military service.

To that end, a company was drafted for three months, under Captain Lyman Deming, of Denmark, in the regiment of Colonel Christopher P. Bellinger, of German Flats.

When the War of 1812 began on June 12, 1812, the above company was in the field, participating in the First Battle of Sacket's Harbor.

To supply them, a company of 72 men were called up on June 23, 1812, under Captain Nathan Cook and placed under Colonel Thomas B Benedict of DeKalb.

County wide drafts were issued in March 1813, September 1813, July 1814 and October 1814 in support of the war effort.

[5] Lewis County is located in northwestern New York State, slightly east of due north from Syracuse.

Major Routes include: As of the census of 2000,[10] there were 26,944 people, 10,040 households, and 7,309 families residing in the county.

28.8% were of German, 13.8% French, 13.1% Irish, 9.2% English, 6.5% American and 5.3% Polish ancestry according to Census 2000.

Florence Augusta Merriam Bailey (August 8, 1863 – September 22, 1948) was an American ornithologist and nature writer.

Clinton Hart Merriam (December 5, 1855 – March 19, 1942) was an American zoologist, ornithologist, entomologist, ethnographer, and naturalist.

[13] Lewis County is strongly Republican having been won by Republican presidential candidates all but three times since the Civil War, with the only exceptions being in 1912, 1964, and 1996, and the only time the Democratic candidate received a majority of the vote was in 1964.