Dale Carnegie, an American writer and lecturer known for his courses in self-improvement and interpersonal skills, was born on a farm in Missouri.

In 1908, Carnegie left college without completing his bachelor's degree after failing Latin.

In 1910, Carnegie decided to pursue studies in New York City and enrolled at the American Academy of Dramatic Arts based on a recommendation from a fellow passenger. He was drawn to the school's emphasis on naturalism and emotional recall in performances.

After saving $500, Dale Carnegie quit his sales job to pursue his dream of becoming a Chautauqua lecturer.

In 1912, Dale Carnegie Training was founded by Dale Carnegie, starting as one man's belief in the power of self-improvement and evolving into a performance-based training company with global offices.

In 1915, Carnegie, along with J. Berg Esenwein, wrote 'The Art of Public Speaking', a significant work in the field of public speaking.

In 1916, after a successful speech at Carnegie Hall in New York City, he changed the spelling of his name to 'Carnegie' in honor of the philanthropist Andrew Carnegie.

During World War I, Dale Carnegie served in the U.S. Army before continuing his speaking career after being discharged.

Dale Carnegie founded the Dale Carnegie Course in 1920, which has been guiding clients to outpace their competition for the past 100 years.

In 1921, Dale Carnegie met and married Lolita Baucaire in Europe, but their childless marriage ended in divorce in 1931.

In 1925, Harry Overstreet, a professor at the College of the City of New York, published a book titled Influencing Human Behavior. The book emphasized the principle of arousing an eager want in others, which greatly influenced Dale Carnegie.

In 1926, Dale Carnegie published 'Public Speaking: A Practical Course for Business Men', which was a collection of his teaching methods. This book aimed to help business professionals improve their public speaking skills.

In 1930, Dale Carnegie started recruiting individuals interested in professional improvement to license his course across the country, marking a significant expansion of his teachings.

In August 1931, Dale Carnegie's first marriage ended in divorce.

Dale Carnegie published his bestseller book 'How to Win Friends and Influence People' in 1936, which continues to be popular and influential in self-improvement and communication skills.

In 1937, Dale Carnegie published his famous self-help book 'How to Win Friends and Influence People' in New York, which became a classic in the field of interpersonal skills and personal development.

On November 5, 1944, Dale Carnegie married his former secretary, Dorothy Price Vanderpool, who had also been divorced.

In 1945, Dorothy Carnegie was installed as vice-president of Carnegie & Associates.

Following the success of his first book, Dale Carnegie wrote another best-seller, How to Stop Worrying and Start Living, first published in 1948.

In 1951, Dale Carnegie and Dorothy Vanderpool had their only child, Donna Dale Carnegie.

In 1954, Dale Carnegie's company was officially incorporated as Dale Carnegie & Associates, Inc. This marked a period of global expansion into Europe, Australia, Asia, and South America.

On November 1, 1955, Dale Carnegie passed away at the age of 66 in Forest Hills, New York, leaving behind a legacy of self-improvement and effective communication.

The Quick and Easy Way to Effective Speaking by Dale Carnegie is one of the key texts used in the course, providing valuable insights into public speaking and communication skills.

In 1967, responding to changing management needs, Dale Carnegie Training introduced Leadership Training for Managers, which became a core program of the organization.

The course curriculum of Dale Carnegie expanded in 1972 with the addition of Customer Service Courses and Personal Development Training, catering to a wider range of professional needs.

In 1975, Dale Carnegie training courses received accreditation from the Continuing Education Council, now known as the Accrediting Council for Continuing Education and Training (ACCET).

In 1978, J. Oliver Crom became the president and chief executive officer of Dale Carnegie & Associates, succeeding Dale Carnegie's family member.

Dale Carnegie introduced the Strategic Presentations Workshop in 1985, focusing on enhancing presentation skills for professionals in various industries.

A book published in 1989 that explores the life and impact of Dale Carnegie, who influenced millions of people.

By 1990, Dale Carnegie Training had worldwide annual enrollment of more than 170,000, showcasing the company's significant reach and impact.

In 1992, Dale Carnegie began offering tailored corporate training solutions worldwide, catering to the specific needs of businesses across different regions.

Dorothy Vanderpool, who married Dale Carnegie in 1941 and played a crucial role in promoting and maintaining his course after his death, passed away on August 6, 1998. Her dedication ensured the continued success of the Dale Carnegie Course.

In 2001, all locally sponsored Dale Carnegie Training organizations in the U.S. were approved to offer their products and services to federal government agencies through the GSA Federal Supply Schedule #GS-10F-0329K.

In 2003, Dale Carnegie teamed up with Walchand Capital to launch training classes in India, further extending its presence internationally.

In 2006, a bust of Dale Carnegie was placed in the Hall of Famous Missourians in the Missouri State Capitol in Jefferson City.

In 2012, Dale Carnegie Training celebrated its 100 year anniversary, highlighting its long-standing commitment to improving personal and financial well-being in communities worldwide.

In 2013, Steven Watts authored 'Self-Help Messiah: Dale Carnegie and Success in Modern America', a book exploring the impact of Dale Carnegie's teachings on achieving success in contemporary society.

In 2016, Dale Carnegie Training launched the Global Day of Giving Initiative, reaching and impacting thousands of lives across continents through dedicated sessions for young adults and children.

In 2019, Dale Carnegie was acknowledged as a Top 20 Leadership Training Company by TrainingIndustry.com.

Dale Carnegie emerged as a winner in three categories at the 2020 Training Magazine Network Choice Awards, showcasing excellence in Custom Content/Program Development, Learning Portal/LMS, and Measurement, Testing, and Assessment.

In 2021, Dale Carnegie was recognized as a Top Leadership Training Company by TrainingIndustry.com, solidifying its position as a leader in the industry.

In 2022, Dale Carnegie celebrated its 110 year anniversary and introduced Dale Carnegie eVolve, an interactive learner experience platform aimed at enhancing personal transformation through blended learning.

CEO Forum Group selected Dale Carnegie Training as one of the Top 10 Transformative Businesses in America in 2023, recognizing its significant impact on business development.