Individual itineraries and the circulation of scientific and technical knowledge in East Asia (16th–20th centuries)

Birth in Hangzhou (Zhejiang) in 1565

Award of jinshi degree in Shenzong wuxu.

Appointment to Vice Director of the Ministry of Works in Nanjing (Nanjing gongbu yuanwailang 談南京工部員外郎)

Authorship of Hun gai tong xian

Authorship of Tong wen suan zhi tong bian 同文算指通編

Authorship of the preface to Tong wen suan zhi qian bian.

Travel to Fujian to supervise provincial examinations

Authorship of Preface to Tian zhu shi yi by Matteo Ricci

Authorship of Hun gai tong xian tu shuo in 2 juan

Li Zhizao 李之藻 corrected the Chinese of Matteo Ricci, who dictated the book Yuan rong jiao yi 圜容較義

Composition by Matteo Ricci with preface by Li Zhizao 李之藻

Mention in Li Zhizao's biography as one of the calendar experts at the time. Probably referring to around 1610.

Baptism under the name Leo/Leon

Submission of petition to the emperor that Western missionaries have a place of burial in China

Collaborative work on the calendar. Date of Eclipse that was wrongly predicted and caused Chinese astronomers to look to Western knowledge.

Return to Hangzhou (Zhejiang) for mourning of father

Mention of Jiu zhang suan shu 九章算術 in Li Zhizao's preface Tong wen suan zhi xu 同文算指序 Quoted in Chou ren zhuan.

Authorship of Tong wen suan zhi qian bian

Death in office