Newark Liberty International Airport opens, becoming the first airport in the New York City metro area.

Newark Liberty International Airport is a major international airport serving the New York metropolitan area. The airport straddles the boundary between the cities of Newark in Essex County and Elizabeth in Union County, in the U.S. state of New Jersey. Located approximately 4.5 miles (7.2 km) south of downtown Newark and 9 miles (14 km) west-southwest of Manhattan, it is a major gateway to destinations in Europe, South America, Asia, and Oceania. It is jointly owned by the two cities, and the airport itself is leased to its operator, the Port Authority of New York and New Jersey. It is the second-busiest airport in the New York airport system behind John F. Kennedy International Airport and ahead of LaGuardia Airport.

The New York metropolitan area, also called the Tri-State area and sometimes referred to as Greater New York and Metro New York, is the largest metropolitan economy in the world, with a gross metropolitan product of over US$2.6 trillion. It is also the largest metropolitan area in the world by urban landmass, encompassing 4,669.0 sq mi (12,093 km²). Among the most populous metro areas in the world, New York is the largest metropolitan statistical area in the United States and the only one with more than 20 million residents according to the 2020 U.S. Census.

October 1 is the 274th day of the year in the Gregorian calendar; 91 days remain until the end of the year.