The Second Peace of Thorn (1466) split Prussia into the western Royal Prussia, a province of Poland, and the eastern part, from 1525 called the Duchy of Prussia, a fief of the Crown of Poland up to 1657.
You can check to see if your computer supports Bluetooth: 1  Look for the Bluetooth icon in the menu bar. 2  Choose System Preferences from the Apple menu, then click Bluetooth. 3  From the Apple menu, choose About this Mac, then click More Info.
Share this page. Bluetooth is a wireless technology for exchanging data over short distances. The chip can be plugged into computers, digital cameras and mobile phones. Find out more about Bluetooth in this short guide. Turn on, or enable, Bluetooth. 2  Ensure your device is â visible â and not âhiddenâ, so other nearby devices can pick up the signal. 3  Give your device a name to identify it when connecting to other compatible equipment.