Oshkosh, Wisconsin in the context of Winnebago County, Wisconsin

EAA AirVenture Oshkosh (formerly the EAA Annual Convention and Fly-In), or just Oshkosh, is an annual air show and gathering of aviation enthusiasts held each summer at the Wittman Regional Airport and adjacent Pioneer Airport in Oshkosh, Wisconsin, United States. The southern part of the show grounds, as well as "Camp Scholler", are located in the town of Nekimi and a base for seaplanes is located on Lake Winnebago in the town of Black Wolf.

The airshow is arranged by the Experimental Aircraft Association (EAA), an international general aviation organization based in Oshkosh, and is the largest of its kind in the world. The show lasts a week, usually beginning on the Monday of the last full week in July. During the gathering, the airport's control tower, frequency 118.5, is the busiest in the world.

Skywriting is the process of using one or more small aircraft, able to expel special smoke during flight, to fly in certain patterns that create writing readable from the ground. These messages can be advertisements, general messages of celebration or goodwill, personal messages such as a marriage proposals and birthday wishes, or acts of protest.

The EAA Aviation Museum, formerly the EAA AirVenture Museum (or Air Adventure Museum), is a museum dedicated to the preservation and display of historic and experimental aircraft as well as antiques, classics, and warbirds. The museum is located in Oshkosh, Wisconsin, United States, adjacent to Wittman Regional Airport, home of the museum's sponsoring organization, the Experimental Aircraft Association (EAA), and the organization's EAA AirVenture Oshkosh event (the world's biggest fly-in and airshow) that takes place in late July/early August.

With over 200 aircraft, indoors and outdoors, and other exhibits and activities (including occasional aircraft rides nearby), the AirVenture Museum is a key tourist attraction in Oshkosh and is a center of activity throughout the AirVenture fly-in and airshow each summer. The museum is open year-round with the exception of a few holidays.

The Fox River is a river in eastern Wisconsin in the Great Lakes region of the United States. It is the principal tributary of the Green Bay, and via the bay, the largest tributary of Lake Michigan. The city of Green Bay, one of the first European settlements in the interior of North America, is on the river at its mouth on the Green Bay.

Hydrographers divide the Fox into two distinct sections, the Upper Fox River, flowing from its headwaters in south-central Wisconsin northeasterly into Lake Winnebago, and the Lower Fox River, flowing from Lake Winnebago northeasterly to the Green Bay. Together, the two sections give the Fox River a length of 182 miles (293 km). Counting the distance through Lake Winnebago gives a total of 200 miles (322 km).

Oshkosh Corporation, formerly Oshkosh Truck, is an American industrial company that designs and builds specialty trucks, military vehicles, truck bodies, airport fire apparatus, and access equipment. The corporation also owns Pierce Manufacturing, a fire apparatus manufacturer in Appleton, Wisconsin, and JLG Industries, a manufacturer of lift equipment, including aerial lifts, boom lifts, scissor lifts, telehandlers and low-level access lifts.

Based in Oshkosh, Wisconsin, the company employs approximately 15,000 people around the world at 130 facilities in 24 countries. It is organized in four primary business groups: access equipment, defense, fire and emergency, and commercial.

Wittman Regional Airport (IATA: OSH, ICAO: KOSH, FAA LID: OSH) is a county-owned public-use airport located two nautical miles (4 km) south of the central business district of Oshkosh, a city in Winnebago County, Wisconsin, United States. A large portion at the south end of the airport is located in the town of Nekimi. It is located adjacent to Pioneer Airport, part of the EAA Aviation Museum.

The airport was named after pioneer air racer, aircraft designer and builder Steve Wittman in 1972. Originally named Winnebago County Airport, the name Steve Wittman Field was proposed in 1968, and it is also known as Wittman Field.

Pioneer Airport (FAA LID: WS17) is a privately owned airport located two nautical miles (4 km) south of the central business district of Oshkosh, a city in Winnebago County, Wisconsin, United States. The airport is located on the northwest edge of Wittman Regional Airport, with which it co-hosts the EAA AirVenture Oshkosh airshow.

Lake Winnebago (Menominee: Wenepekōw Nepēhsæh, Ojibwe: Wiinibiigoo-zaaga'igan, Oneida: kanyataláheleˀ) is a shallow freshwater lake in the north central United States, located in east central Wisconsin. At 137,700 acres (55,700 ha), it is the largest lake entirely within the state, covering an area of about 30 miles (48 km) by 10 miles (16 km) with 88 miles (142 km) of shoreline, an average depth of 15.5 feet (4.7 m), and a maximum depth of 21 feet (6.4 m). It has many shallow reefs along the west shore and a drop-off type shoreline on the east. There are several islands along the west shore.

The lake has two primary tributaries, the Wolf and Fox Rivers, which combine at Lake Butte des Morts. The Fox River flows east through Oshkosh and into Lake Winnebago at its west central shore, then flows out at the northwest shore, around Doty Island at Neenah-Menasha to Little Lake Butte des Morts. The river then flows northeast and empties into Green Bay and serves as part of the Fox-Wisconsin Waterway. Lake Winnebago is part of a larger system of lakes in Wisconsin known as the Winnebago Pool.

The Experimental Aircraft Association (EAA) is an international organization of aviation enthusiasts based in Oshkosh, Wisconsin. Since its inception, it has grown internationally with over 300,000 members and nearly 1,000 chapters worldwide. It hosts the largest aviation gathering of its kind in the world, EAA AirVenture Oshkosh.