World Heart Day is an annual global observance organized by World Heart Federation. It used to be held on the last Sunday in September, but in 2011 the observance got a fixed date, September 29. World Heart Day aims at raising awareness of cardiovascular disease (CVD).
International Coffee Day, sometimes referred to simply as Coffee Day, is an unofficial annual holiday observed in some countries on September 29. It celebrates one of the world's most popular beverages and promotes fair trade coffee.
Some countries have set aside a special day to recognize the achievements and contributions of inventors and innovators. The date of Inventors' Day varies from country to country. For example, in Argentine it is celebrated on September 29 to honor László Bíró who invented the modern ballpoint pen.