Search by keyword or browse by county to learn about more than 600 historical markers created to recognize key locations, events, and people in Oklahoma history.
In 1976 the Oklahoma Historical Society published Mark of Heritage. Written by Muriel Wright, George Shirk, and Kenny Franks, this publication contains information about historic sites and historical markers in Oklahoma.
Read Mark of Heritage online
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Named for the great Osage chief, Clermont, the area was the site of an Osage village destroyed by the Cherokees in 1817. Oil was discovered a century later on the Osage Reservation nearby.
Located on OK-88, one mile north of County Road 44
Eastern University Preparatory School
Eastern University Preparatory School, predecessor of Rogers State University, was founded in 1909 at this location, the former site of Claremore School. The original school was demolished and a new Claremont Elementary School was built on this site. RSU is now located on College Hill on the west side of Claremore.
Located at 7th Street and Choctaw Avenue in Claremore
Oklahoma's First Waterflood
In May of 1931, Bert Collins first used injection of water into an oil reservoir to increase recovery, a process that became known as water flooding. Billions of barrels of crude oil have been recovered from world oil reserves by water flooding.
Located four miles south of Nowata on US-169 south of County Road 30 south of Nowata
Port of the Plains
Head of navigation for the McClellan-Kerr Arkansas River Navigation System, the Tulsa Port of Catoosa is located one mile upstream from this marker. The McClellan-Kerr Arkansas River Navigation System is a 448-mile channel stretching form the Mississippi River up the Arkansas and Verdigris Rivers to the Tulsa Port of Catoosa. Barges are raised a total of 420 feet via 17 locks and dams from the Mississippi to Catoosa and the entire waterway connects with much of the nation's 29,000 miles of inland waterways.
Located at the crossing of Hwy-66 and the navigation channel
The famous Oklahoman charmed the world with his wit and wisdom in vaudeville, radio, the movies, and as a newspaper columnist.
Located on grounds of Will Rogers Memorial in Claremore (DAR)
Will Rogers Birthplace
Oklahoma's most famous native, Will Rogers, was born on a ranch east of Oologah, Indian Territory, on November 4, 1879. He and aviator Wiley Post died in an airplane crash in Alaska on August 15, 1935. Rogers was one of the world's most famous men at the time of his death because of his stardom in the movies, as a newspaper columnist, and humorist.
Located on OK-88 west of County Road 411
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