The United Nations declared September 16 as the International Day for the Preservation of the Ozone Layer to commemorate the signing of the Montreal Protocol.
📍 Global
The Montreal Protocol was signed by 46 countries, committing to phase out substances that deplete the ozone layer.
📍 Montreal, Canada
Papua New Guinea gained independence from Australia, joining the community of sovereign nations.
📍 Port Moresby, Papua New Guinea
The first bar code scanner was used in a supermarket, revolutionizing retail and inventory management.
📍 Troy, Ohio, United States
General Motors unveiled the first hydrogen fuel cell-powered vehicle, pioneering alternative energy transportation.
📍 United States
TIROS-1 transmitted the first publicly available weather satellite images, transforming meteorology.
📍 United States
The Soviet Luna 3 spacecraft captured the first images of the far side of the Moon, advancing space exploration.
📍 Moon Orbit
The first successful implantation of a pacemaker was performed in Sweden, marking a breakthrough in cardiac care.
📍 Stockholm, Sweden
Antibiotics were first introduced into agriculture to promote livestock growth, transforming food production practices worldwide.
📍 United States
Penicillin was successfully used to treat a bacterial infection, marking the start of the antibiotic era in medicine.
📍 Oxford, United Kingdom
The League of Nations established its mandate system, redistributing former Ottoman and German territories after World War I.
📍 Geneva, Switzerland
British forces deployed tanks for the first time in combat during the Battle of the Somme, revolutionizing warfare.
📍 Somme, France
Dr. Albert Hustin performed the first successful blood transfusion using anticoagulants, advancing modern medicine.
📍 Brussels, Belgium
A telegram was sent around the world via commercial telegraph cables, proving global communication capabilities.
📍 New York City, United States
The first public showing of a color motion picture in Europe took place, marking a milestone in cinematic technology.
📍 London, United Kingdom
General Motors was founded, becoming one of the largest automobile manufacturers in the world.
📍 Flint, Michigan, United States
Pioneering aviator Bessie Coleman, the first African American woman to earn a pilot’s license, was born.
📍 Atlanta, Texas, United States
Vogue magazine released its first issue, becoming a global authority in fashion and culture.
📍 New York City, United States
Miguel Hidalgo issued the Grito de Dolores, launching Mexico's war for independence from Spain.
📍 Dolores, Mexico
The Boston Latin School, the first public school in the United States, opened, laying the foundation for public education.
📍 Boston, Massachusetts, United States