Cyrillic script of Bulgaria to the European Union on 1 January 2007, Cyrillic became the third official script of the European Union, following Latin and Greek. Cyrillic is derived from the Greek uncial script, augmented by letters from the older Glagolitic alphabet, including some ligatures. These additional letters were used for Old Church Slavonic sounds not found in Greek. The script is named in honor of the two Byzantine brothers, Saints Cyril and Methodius, who created the Glagolitic alphabet earlier on. Modern scholars believe that Cyrillic was developed and formalized by early disciples of Cyril and Methodius. In the early 18th century,
Cyril, Oklahoma sold one-half of the allotment to Mr. and Mrs. Pierson on July 26, 1907. The Piersons sold the land to the Cyril Townsite and Development Company on September 10, 1907. Although there is some dispute, the Cyril Station appears to have been named circa 1902 after Bayard and Laura Lookingglasses' daughter when they granted the railroad permission to build a section house next to the railroad stop. Some believed that the town of Cyril was named after the Cyril Station of the St. Louis-San Francisco Railroad. However a diligent search of all sources including Frisco Railroad, found no supporting evidence.