张衍 / Zhang Yan (Hedong-Hongnong actor)

Overview

张衍 / Zhang Yan (Hedong-Hongnong actor) enters the wiki through Hanji 1070 as the Hongnong-area actor who rises in response to 张盛. This page is intentionally disambiguated from 张燕 of the Black Mountain Army and 张延 the late-Han taiwei.

Current Profile

Hanji 1070 gives Zhang Yan a compact role in the western disturbance chain. After Zhang Sheng gathers forces around Xiaoshan and Mianchi, Zhang Yan rises in Hongnong in response. The episode’s larger point is that Cao Cao’s control problem extends beyond Hebei: disturbances around Guanzhong-facing routes and Hedong make the appointment of 杜畿 strategically urgent.

Key Characteristics

• Hongnong-area actor in the post-Ye western disturbance chain.
• Responds to Zhang Sheng’s armed activity.
• Distinct from the better-known Black Mountain Zhang Yan.
• Helps explain why Hedong control matters to Cao Cao after northern victories.

Evidence

• Response to Zhang Sheng: Hanji 1070 says Zhang Yan rises in response to Zhang Sheng.
• Regional setting: Hanji 1070 places the response in Hongnong and the nearby Xiaoshan/Mianchi field.
• Strategic relevance: Hanji 1070 links this disturbance chain to Cao Cao’s concern about Hedong.

Qualifications

This page records only the Hanji 1070 notice. It should not be merged with other Zhang Yan routes unless a later source explicitly proves identity.

What Changed

• Created this disambiguated page from Hanji 1070’s Hongnong disturbance notice.

Relationships

• 张盛 - actor whose activity Zhang Yan answers.
• 河东郡 - nearby commandery whose strategic importance rises in this disturbance field.
• 杜畿 - official appointed to stabilize Hedong in the same sequence.
• 关中 - broader western strategic context.
• 交通枢纽郡控制 - concept explaining why local disturbances matter beyond one commandery.