October 3 to 9 is Mental Illness Awareness Week, and October 10 is World Mental Health Day.

October 4 to 10 is World Space Week, this year celebrating “Women in Space.”

October 3 marks the 71st anniversary of the day when the transistor was patented by Shockley, Bardeen, and Brattain. Today, most of us probably have more than a billion transistors in our homes.

October 15 is Global Handwashing Day.

October 17 has been designated by the UN as the International Day for the Eradication of Poverty.

October 23 is Mole Day.

On October 28, 1914, Jonas Salk was born. He went on to develop one of two breakthrough polio vaccines, which proved to be effective at preventing what was at the time one of the most dreaded childhood diseases. (Vaccines continue to be the best public health measure that humans have developed. Just one year ago, on October 22, 2020, Moderna announced that they had full enrollment for the Phase 3 trial of their vaccine for prevention of SARS-CoV-2. You are vaccinated, right? If not, what are you waiting for?)