Today In History: What Happened On Dec 7?

★International Civil Aviation Day, ★National Pearl Harbor Day of Remembrance, ★Flag Day of Indian Armed Forces, ★1792: The East India Company introduced the police system in India, ★1921: Birth of spiritual guru Pramukh Swami Maharaj, ★1946: The UN emblem was adopted, ★1980: Birth of footballer John Terry, ★2013: Death of comedian Dharmavarapu Subramaniam.