International Police Association
The International Police Association(IPA) is the largest organisation for police officers in the world.
The founder Arthur Troop (1915 2000) was born in Lincoln, in the English county of Lincolnshire.
The association was founded on 1st January 1950 under the Esperanto motto Servo per Amikeco (Service through Friendship) to create friendly links and encourage cooperation between individual police officers around the world.
It now has 300,000 members and sections in 57 countries.