The Thing of all Swedes (allra Svía þing,[1] Þing allra Svía,[2] Disaþing,[3] or Kyndilþing[4]) was the governing assembly held from pre-historic times to the Middle Ages at Gamla Uppsala, Sweden,[5] occurring at the end of February or early March in conjunction with a great fair and a religious celebration called Dísablót.[4][6] The Law of Uppland informs that it was at this assembly that the king proclaimed that the leidang would be summoned for warfare during the summer, and all the crews, rowers, commanders and ships were decided.[5] Icelandic historian Snorri Sturlusson, who was well-informed of Swedish matters and visited the country in 1219,[8] explained in the Heimskringla (1225): In Svithjod[9] it was the old custom, as long as heathenism prevailed, that the chief sacrifice took place in Goe month[10] at Upsala.After Christianity had taken root in Svithjod, and the kings would no longer dwell in Upsala, the market-time was moved to Candlemas, and it has since continued so, and it lasts only three days.[11]When the assembly was moved to Candlemas, it was renamed Kyndelsting (Old Swedish: Kyndilþing), but the name Dísaþing remained in use as the Disting for the great fair.