Abbas I vs Emperor Taizong of Tang

Abbas I created a standing army of ghulams (military slaves) recruited from Christian subjects in the Caucasus, particularly Georgians and Armenians. This reduced reliance on the Qizilbash tribal forces, increased royal control, and modernized the military with firearms and artillery.

Abbas I moved the Safavid capital from Qazvin to Isfahan, transforming it into a magnificent city with grand architecture, including Naqsh-e Jahan Square, the Shah Mosque, and the Ali Qapu Palace. This relocation became a symbol of Safavid power and cultural flourishing.

Abbas I sent diplomatic missions to European courts, including those of Philip III of Spain, Rudolf II of the Holy Roman Empire, and Elizabeth I of England, seeking alliances against the Ottoman Empire. These missions opened sustained diplomatic and commercial exchanges between Safavid Persia and Europe.

Abbas I defeated an Ottoman army near Sufiyan, securing Safavid control over Azerbaijan and the Caucasus. This victory was part of the Ottoman-Safavid War of 1603-1618, which resulted in the recapture of Tabriz, Nakhchivan, and Yerevan from Ottoman occupation.

Abbas I, with support from the English East India Company, captured the island of Hormuz from Portuguese control. This ended Portuguese dominance in the Persian Gulf and opened direct trade routes for Safavid Persia with Europe, boosting the silk trade.

Abbas I captured Baghdad from the Ottoman Empire after a siege, restoring Safavid control over Iraq. This victory expanded Safavid territory and gave Abbas control over important Shi'a pilgrimage sites like Najaf and Karbala.

Emperor Taizong initiated the Zhenguan era, characterized by efficient governance, legal codification, and economic recovery. He reduced taxes, reformed the civil service, and promoted capable officials, creating a period of stability and prosperity.

Li Shimin ambushed and killed his brothers, Crown Prince Li Jiancheng and Prince Li Yuanji, at Xuanwu Gate in Chang'an. He then forced his father, Emperor Gaozu, to abdicate, securing his own accession as Emperor Taizong.

Tang forces under Li Jing defeated the Eastern Turkic Khaganate, capturing its khan, Jieli. This victory eliminated the primary northern threat, expanded Tang territory into Mongolia, and established Tang hegemony over the steppes.

Emperor Taizong reestablished and secured the Silk Road trade routes, welcoming foreign merchants, envoys, and missionaries to Chang'an. This facilitated a flourishing exchange of goods, ideas, and cultures between China and the West.

Emperor Taizong commissioned the official history of the preceding Sui dynasty, the Book of Sui, as part of a larger project to compile dynastic histories. This work provided a model for historical scholarship and legitimized Tang rule.