|1898||BBBofC (British)||Charlie Exall|
|1927||NYSAC||Corporal Izzy Schwartz|
|1984||IBF||Soon Chun Kwon|
- Also known as Paperweight.
- The maximum weight for this division is 112 pounds (50.8 kg or 8 stone).
- One of the traditional eight divisions.
The flyweight division was introduced in 1909 by London's National Sporting Club (NSC) to cover all weights up to 112 pounds (50.8 kg or 8 stone). In 1910, English boxing authorities followed suit and set the weight limit as 108 pounds (49 kg or 7 stone 10 pounds). New York’s Walker Law next established the weight class in 1920 as 112 pounds. United States boxing commissions, the National Boxing Association (NBA) and the New York State Athletic Commission (NYSAC), recognized this weight class in 1927.