Demonstration sports were officially introduced in the 1912 Summer Olympics, when Sweden decided to include glima, traditional Icelandic wrestling, in the Olympic program, but with its medals not counting as official.
Olahraga uji secara resmi diperkenalkan di Olimpiade Musim Panas 1912, ketika Swedia memutuskan untuk memasukkan glíma, gulat tradisional Islandia, dalam program Olimpiade, tetapi dengan medali yang tidak dihitung secara resmi.