When did one-wall handball develop in New York City?

The one-wall version of handball was developed in New York City around 1913.1

Following its development, the game gained popularity rapidly, and within a few years, it was being played by both men and women throughout the eastern United States. Due to its accessibility and lower construction costs compared to other court types, the game was frequently adopted by the Young Men’s Christian Association and various clubs, and in densely populated urban areas, it was even installed on rooftops.12