1126 (MCXXVI)was acommon year starting on Friday of theJulian calendar, the 1126th year of theCommon Era (CE) andAnno Domini (AD) designations, the 126th year of the2nd millennium, the 26th year of the12th century, and the 7th year of the1120s decade. As of the start of 1126, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.
- January–March – InSong Dynasty China, scholars and farmers demonstrate aroundKaifeng for the restoration of a probity military official, Li Gang (李綱). Small conflicts erupt between the protestors and the Government.
- Two previously writtenChinese pharmaceutical works, one byShen Kuo and another bySu Shi, are combined into one written work.
- The rule ofEmperor Huizong of Song ends inChina.
- TheJin Dynasty is established in the north ofChina, following theSong Dynasty's loss at theHuang He River valley. Remnants of the court flee south, including much of the populace and communities such as theKaifeng Jews.
