Singhasari Kingdom, Majapahit Empire, Ayutthaya Kingdom, Malaccan Empire, Demak Sultanate, Mataram Sultanate, Yogyakarta Sultanate, Surakarta Sunanate, Bruneian Empire, Sultanate of Sulu, Sultanate of Maguindanao, present day Indonesia Pamalayu expedition, Mongol invasion of Java, Battle of Bubat, Majapahit civil war, Burmese-Siamese wars, Siege of Batavia, Diponegoro War, Indonesian National Revolution, Spanish–Moro conflict, Philippine–American War, Pacific War ngoko: keris; krama; dhuwung; krama inggil: wangkingan, lit."to slice"; Jawi: کريس, Thai: กริช kris, Minangkabau: karih, Tagalog: kalis; Bugis and Makassarese: sele) is an asymmetrical dagger with distinctive blade-patterning achieved through alternating laminations of iron and nickelous iron (pamor).While most strongly associated with the culture of Indonesia the kris is also indigenous to Malaysia, Thailand, Brunei, Singapore and the Philippines where it is known as kalis with variants existing as a sword rather than a dagger.The kris is famous for its distinctive wavy blade, although many have straight blades as well.
Depending on the quality and historical value of the kris, it can fetch thousands of dollars or more.
Both a weapon and spiritual object, kris are often considered to have an essence or presence, considered to possess magical powers, with some blades possessing good luck and others possessing bad.
Kris are used for display, as talismans with magical powers, weapons, a sanctified heirloom (pusaka), auxiliary equipment for court soldiers, an accessory for ceremonial dress, an indicator of social status, a symbol of heroism, etc.
Legendary kris that possess supernatural power and extraordinary ability were mentioned in traditional folktales, such as those of Empu Gandring, Taming Sari, and Setan Kober.
In 2005, UNESCO gave the title Masterpiece of the Oral and Intangible Heritage of Humanity to the kris of Indonesia.