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March 8, 2020 - March 14, 2020 - Graphics show birthdays and anniversaries for each day of the week. This week features the Bell helicopter, the use of napalm in Vietnam, the rings of Uranus, the invention of paper, the diarist Anne Frank, the grounding of the Boeing 737 Max and the President of China, Xi Jingping

March 8, 1946: The Bell Model 47 helicopter, developed by inventor Arthur Young, was awarded the world’s first commercial helicopter license for civilian use

March 9, 1965: U.S. President Lyndon Johnson authorized the use in Vietnam of napalm, a petroleum-based anti-personnel bomb that sticks to skin and causes severe burns

March 10, 1977: The rings of Uranus were discovered when dips in the brightness of a star were spotted before and after the body of the planet passed in front of it

March 11, 105: Chinese court official Ts’ai Lun is credited with inventing paper, made from pressed and dried layers of tree bark, remnants of hemp, cloth rags and fishing nets

March 12, 1945: Jewish diarist Anne Frank, aged 15, died in the Nazi concentration camp at Bergen-Belsen, just one month before it was liberated by British troops

March 13, 2019: The Boeing 737 MAX passenger airliner was grounded worldwide after two crashes of the aircraft within five months killed all 346 people onboard both flights

March 14, 2013: Xi Jingping formally became President of China, completing the transition of power and putting Xi in charge of all three centres of power in the country