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===Persian and Greek Invasion===

===Persian and Greek Invasion===

Much of the northwestern Indian Subcontinent (present day Eastern Afghanistan and Pakistan) came under the rule of the Persian Achaemenid Empire in c. 520 BCE during the reign of Darius the Great, and remained so for two centuries thereafter. In 334 BCE, Alexander the Great conquered Asia Minor and the Achaemenid Empire, reaching the north-west frontiers of the Indian subcontinent. There, he defeated King Puru in the Battle of the Hydaspes (near modern-day Jhelum, Pakistan) and conquered much of the Punjab; however, Alexander's troops refused to go beyond the Hyphases (Beas) River near modern day Jalandhar, Punjab. Alexander left many Macedonian veterans in the conquered regions[citation needed]; he himself turned back and marched his army southwest.

Much of the northwestern Indian Subcontinent (present day Eastern Afghanistan and Pakistan) came under the rule of the Persian Achaemenid Empire in c. 520 BC during the reign of Darius the Great, and remained so for two centuries thereafter. In 334 BC, Alexander the Great conquered Asia Minor and the Achaemenid Empire, reaching the north-west frontiers of the Indian subcontinent. There, he defeated King Puru in the Battle of the Hydaspes (near modern-day Jhelum, Pakistan) and conquered much of the Punjab; however, Alexander's troops refused to go beyond the Hyphases (Beas) River near modern day Jalandhar, Punjab. Alexander left many Macedonian veterans in the conquered regions[citation needed]; he himself turned back and marched his army southwest.

The Persian and Greek invasions had important repercussions on Indian civilization. The political systems of the Persians was to influence future forms of governance on the subcontinent, including the administration of the Mauryan dynasty. In addition, the region of Gandhara, or present-day eastern Afghanistan and north-west Pakistan, became a melting pot of Indian, Persian, Central Asian and Greek cultures and gave rise to a hybrid culture, Greco-Buddhism, which lasted until the 5th century AD and influenced the artistic development of Mahayana Buddhism.

The Persian and Greek invasions had important repercussions on Indian civilization. The political systems of the Persians was to influence future forms of governance on the subcontinent, including the administration of the Mauryan dynasty. In addition, the region of Gandhara, or present-day eastern Afghanistan and north-west Pakistan, became a melting pot of Indian, Persian, Central Asian and Greek cultures and gave rise to a hybrid culture, Greco-Buddhism, which lasted until the 5th century AD and influenced the artistic development of Mahayana Buddhism.