![Sweet woman expressing affection expressing love with closed eyes smile](https://images.calendafest.com/posts/01/international-thank-you-day.webp)
International Thank You Day
#PeopleExpressing gratitude towards people and appreciating their kindness.
![Man receiving message in morse code](https://images.calendafest.com/posts/01/learn-your-name-in-morse-code-day.webp)
Learn Your Name In Morse Code Day
#Fun#Science#ActivitiesEncouraging individuals to understand the language of Morse code.
![Hands breaking handcuffs against human trafficking](https://images.calendafest.com/posts/01/national-human-trafficking-awareness-day.webp)
National Human Trafficking Awareness Day
#AwarenessIncreasing awareness and opposition to human trafficking, a form of modern-day slavery.
![Bottle of milk with cows in the background](https://images.calendafest.com/posts/01/national-milk-day.webp)
National Milk Day
#BeverageHonoring the significant contribution of the dairy industry.
Interesting Facts of January 11th
- The first recorded assembly of a Ford Model T was completed on January 11, 1904.
- Insulin was used for the first time to treat diabetes in a human patient on this day in 1922. The patient was 14-year-old Leonard Thompson in Canada.
- In 1964, the U.S. Surgeon General announced that smoking may be hazardous to health, the first such statement from the U.S. government.
- Albert Einstein's "General Theory of Relativity" was mathematically proven correct by Arthur Eddington on Jan 11, 1923.
- Vesuvius, the only active volcano in mainland Europe, erupted on January 11, 1693.