15 events the sources record for this year, grouped by region.
What happened
China (2)
In the seventh month Zhang Ger'er took the city of Hotan, and Minister Yimei and others died in battle. (Draft History of Qing (Qingshigao) 清史稿 卷17 道光6年七月)
In the eighth month Zhang Ger'er took the city of Kashgar, and Minister Qingxiang and others died. (Draft History of Qing (Qingshigao) 清史稿 卷17 道光6年八月)
The Americas (13)
Letter written at Lima (10 July 1826) — to Claudio Viana. (Letters of Simón Bolívar vicente-lecuna-cartas-del-libertador-tomo-vi.txt:L761)
Letter written at Guayaquil (14 September 1826) — says he has finally come to Colombia and is full of hope. [Addressee: José de Larrea y Loredo.] (Letters of Simón Bolívar vicente-lecuna-cartas-del-libertador-tomo-vi.txt:L3327)
Letter written at Quito (29 September 1826) — to General Antonio Gutiérrez de La Fuente. (Letters of Simón Bolívar vicente-lecuna-cartas-del-libertador-tomo-vi.txt:L3825)
Letter written at Ibarra (8 October 1826) — to His Excellency General F. de P. Santander. (Letters of Simón Bolívar vicente-lecuna-cartas-del-libertador-tomo-vi.txt:L4062)
Letter written at Pasto (14 October 1826) — to His Excellency General F. de P. Santander. (Letters of Simón Bolívar vicente-lecuna-cartas-del-libertador-tomo-vi.txt:L4420)
Letter written at Neiva (5 November 1826) — to His Excellency the President of the Council of Government, General (Letters of Simón Bolívar vicente-lecuna-cartas-del-libertador-tomo-vi.txt:L4788)
Letter written at Bogotá (15 November 1826) — arrived in the capital and informs Páez that he is going to rescue Venezuela. [Addressee: His Excellency General José Antonio Páez.] (Letters of Simón Bolívar vicente-lecuna-cartas-del-libertador-tomo-vi.txt:L4948)
Letter written at Tunja (30 November 1826) — left Bogotá on the 25th, marching to Venezuela by way of Maracaibo. [Addressee: General Tomás de Heres.] (Letters of Simón Bolívar vicente-lecuna-cartas-del-libertador-tomo-vi.txt:L5757)
Letter written at Chinácota (10 December 1826) — to Fernando Peñalver. (Letters of Simón Bolívar vicente-lecuna-cartas-del-libertador-tomo-vi.txt:L5835)
Letter written at Cúcuta (11 December 1826) — to His Excellency José Antonio Páez, General in Chief. (Letters of Simón Bolívar vicente-lecuna-cartas-del-libertador-tomo-vi.txt:L5866)