Fireworks Displays. Corporations and Symphonies, Festivals and Sporting Events, Cities and Politicians Celebrate with Hamburg! Since 1972, the majesty, power, and beauty of Hamburg pyrotechnical displays have lit up countless celebrations and events throughout Ohio. Large outdoor spectaculars, corporate picnics, symphonic concerts with choreographed fireworks, a presidential candidate's visit, ground displays, weddings, even sporting events and special effects for the theatre--whether it's indoors or outdoors, Hamburg can do it. And do it well!