This article contains a timeline of major events in the history of Kilgore, Texas (US). It serves as an abridged supplement to the main history article for the city and its several subarticles on periods in the city's history. 19th century 1872 - Kilgore is established 1880 - Estimated population: 300 20th century 1900s-1950s 1929 - had an estimated 1,000 residents 1930 - Oil was Discovered 1935 - Establishment of Kilgore College 1960s-1990s 1965 - estimated population: 10,500 21st century 2010 - Population: 12,975 2020 - Population: 13,376