CAIRO – 29 September 2021: In the following lines, ET sheds light on the most important world events that took place on September 29. 1908 - The International Conference on Labor Protection, held in Lucerne, Switzerland, decides to ban night work for children under 14 years of age. 1962 - Ahmed Ben Bella becomes prime minister of the first Algerian government after independence. 1988 - The International Court of Justice issues a ruling regarding Egypt's entitlement to Taba. 2015 - The US agency "NASA" confirms the existence of the "liquid of life" (water) under the frozen surface of Mars.