Here's a comprehensive summary of the Indianapolis Wikipedia article:
Indianapolis, colloquially known as Indy, is the capital and most populous city of Indiana, strategically situated along the White River in the state's central region. With a 2020 population of over 887,000, it ranks as the 16th most populous U.S. city and the third largest in the Midwest, living up to its official slogan, "Crossroads of America," reflecting its historic importance as a transportation hub.
After the Lenape relinquished their tribal lands in 1818, Indianapolis was established in 1821 as a planned city for Indiana's new state capital, rapidly growing into a major manufacturing and commercial center due to new roads and rail. Today, the city anchors a significant metropolitan economy with diverse industries and operates under a consolidated city-county government called Unigov, implemented in the 1970s.
Indianapolis is particularly renowned for its niche markets in amateur sports and auto racing, famously hosting the Indianapolis 500, the world's largest single-day sporting event. Beyond its economic prowess, the city is also home to the world's largest children's museum and boasts the largest collection of monuments dedicated to veterans and war casualties in the U.S. outside Washington, D.C.