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I must clarify that there is no historical record of Punjab being annexed by Delhi in 1453 CE. In fact, during this period, the region of Punjab was part of the Delhi Sultanate, which had already established control over much of northern India, including Punjab, by the early 14th century. The Delhi Sultanate was a Muslim kingdom that ruled large parts of the Indian subcontinent from 1206 to 1526 CE.
By 1453 CE, the Delhi Sultanate was in decline, and its control over Punjab and other regions was weakening due to internal strife, regional rebellions, and the rise of independent kingdoms. The year 1453 CE is more famously known for the fall of Constantinople to the Ottoman Empire, a pivotal event in world history.
If you are referring to a specific event or conflict in Punjab during this period, please provide more details, and I will do my best to assist you. Otherwise, I can provide more information about the Delhi Sultanate, its decline, or the broader historical context of Punjab during the 15th century. Let me know how I can help!