Eric Walker added 2020-06 Donald Trump holds campaign rally in Tulsa, Oklahoma and 1921-05 Tulsa Greenwood massacre to Tulsa, and added Tulsa to Cities in Oklahoma

Eric Walker added a number of topics and a number of links to Oklahoma, and added Oklahoma to US states and territories

Eric Walker added a number of topics and Opinion | Something Special Is Happening in Rural America - The New York Times to Cities in the United States, and added Cities in the United States to United States and Cities in North America

Eric Walker added Fort Sill (detention camp) to Fort Sill, Oklahoma, and added Fort Sill, Oklahoma to Cities in Oklahoma

Eric Walker added Fort Sill, Oklahoma and Tulsa to Cities in Oklahoma, and added Cities in Oklahoma to Oklahoma and Cities in the United States