Today In History: What Happened On Dec 4?

★Indian Navy Day, ★International Cheetah Day, ★World Wildlife Conservation Day, ★1829: The custom of ‘Sati’ was banned, ★1877: Birth of social reformer Lakshminarayana Unnava, ★1910: Birth of former President R. Venkatraman, ★1919: Birth of former PM IK Gujral, ★1977: Former cricketer Ajit Agarkar’s birthday, and ★2021: Death of ex-AP CM Konijeti Rosaiah.