➢World Intellectual Property Day, ➢Richter Scale Day, ➢570 CE: Birth of Prophet Muhammad, the founder of Islam, ➢1931: Birth of noted architect Sattanatha Muthiah Ganapathi, ➢1942: Birth of playwright and novelist Kakani Chakrapani, ➢1973: Birthday of film actor Samuthirakani, and ➢1920: Death of top mathematician Srinivasa Ramanujan.