Bulgarians - AoE2 vs History

How well do the Bulgarians in AoE2 reflect to the real Bulgarian Empire? In this video I'll present what I believe are the historical inspirations for their unique unit/techs, bonuses, and tech tree. Patreon:   / spiritofthelaw   Background music from Age of Empires 2 Definitive Edition soundtrack. Game: Age of Empires 2 Definitive Edition, with Forgotten Empires, African Kingdoms, Rise the Rajas, and Last Khans expansions