National Rat Catcher's Day

Celebrated on 07/22/2026

Quick Fact

National Rat Catcher's Day is observed on July 22, the feast day of Saint John. In medieval Europe, rat catchers were highly valued professionals who used terrier dogs and ferrets to control rodent populations. The holiday honors their crucial role in preventing the spread of diseases like the bubonic plague.

Origins and Establishment of National Rat Catcher's Day

National Rat Catcher's Day traces its roots to the Middle Ages, when rat infestations were a serious public health threat. The holiday is believed to have originated in England, where the profession of rat catching was formally recognized by royal decree in the 16th century. It was officially established on July 22 to coincide with the feast day of Saint John, who was often invoked for protection against pests. The day was created to honor the skilled workers who risked their lives to control rat populations and prevent the spread of plague.

Evolution and Modern Commemoration

Over time, the holiday evolved from a local observance into a broader celebration of pest control professionals. In the 19th century, rat catchers began using more humane methods, and the holiday shifted focus to education about rodent control. Today, National Rat Catcher's Day is celebrated with events such as rat-catching demonstrations, exhibitions of working terriers, and seminars on integrated pest management. It also serves as a reminder of the importance of sanitation and public health.

Facts & General Observations

• In medieval London, the official rat catcher was paid a salary of 6 pence per rat caught, a significant sum at the time.
• The most famous rat catcher in history was Jack Black, who served as Queen Victoria's official rat catcher and caught over 1 million rats during his career.
• Modern rat catchers often use trained dogs, such as Jack Russell terriers, which can kill up to 50 rats per hour in controlled environments.

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