 
<translate> Mee ka uche gị dịrị n'ihe ị na-ekwu tupu ị zaa ajụjụ ndị a. Passage: A maara Albertsons Stadium nke ọma maka ebe egwuregwu ya na-acha anụnụ anụnụ na-adịghị ahụkebe, arụnyere na 1986, mgbe Boise State nọ na Nnukwu Mgbakọ Eluigwe. Ọ bụ nke mbụ na-abụghị akwụkwọ ndụ akwụkwọ ndụ na-egwuri egwu (n'èzí nke agba agba) na akụkọ ntolite football ma bụrụ naanị otu n'ime ụlọ akwụkwọ NCAA Division I FBS ruo ihe fọrọ nke nta ka ọ bụrụ afọ 20.  Ajụjụ: Dabere n'akụkụ akwụkwọ a, olee mgbe steeti Boise nwetara ahịhịa na-acha anụnụ anụnụ? <eng> Output a stream of consciousness before answering the following. Passage: Albertsons Stadium is widely known for its unusual blue playing surface, installed in 1986, while Boise State was in the Big Sky Conference. It was the first non-green playing surface (outside of painted end zones) in football history and remained the only one among NCAA Division I FBS schools for almost 20 years.

Question: Based on this passage, when did boise state get the blue turf? 