Discover what happened on October 20 in history as landmark decisions shaped nations, technological advances transformed everyday life, unusual encounters captured imaginations, and remarkable events helped shape the world we know today.
What Happened on October 20 in History?
On this day, the U.S. Senate approved the Louisiana Purchase, the famous Bigfoot film was recorded, the Sydney Opera House opened, the Saturday Night Massacre intensified Watergate, and a Michigan man survived a plunge over Niagara Falls.
OCTOBER 20 – TODAY IN HISTORY:
1803 – The U.S. Senate ratified the Louisiana Purchase treaty with France, approving the acquisition of approximately 828,000 square miles of territory for $15 million. The historic purchase nearly doubled the size of the United States.
1818 – The United States and Great Britain signed the Convention of 1818, establishing the 49th parallel as the boundary between American and British territories from the Lake of the Woods to the Rocky Mountains.
1873 – Showman P.T. Barnum opened a large hippodrome entertainment venue in New York City, presenting elaborate equestrian performances and other spectacles that helped shape the development of his famous circus business.
1879 – Thomas Edison and his team at Menlo Park, NJ, made important progress toward a practical incandescent electric light bulb, developing a carbon-filament design that would help make electric lighting commercially viable.
1902 – The first Cadillac automobile was completed in Detroit, marking the beginning of one of America’s most enduring luxury automobile brands. Cadillac emerged from the remnants of the Henry Ford Company after Henry Ford left following disagreements with investors.
1913 – CR.J. Reynolds introduced Camel cigarettes, a blended-tobacco brand that became one of the most recognizable products in American advertising history.
1927 – Ford Motor Company began producing its new Model A automobile, the long-awaited replacement for the Model T. The Model A was officially introduced to the public later that year.
1947 – The House Un-American Activities Committee opened hearings into alleged Communist influence in Hollywood, beginning a highly publicized investigation that contributed to the blacklisting of actors, writers and filmmakers.
1967 – A federal jury convicted seven men of violating civil rights in connection with the 1964 murders of three civil rights workers in Mississippi. The verdicts represented an important, though limited, step toward accountability for the killings.
1967 – Roger Patterson and Bob Gimlin filmed a mysterious, ape-like figure walking near Bluff Creek in Northern California. The 59-second Patterson–Gimlin film became the most famous piece of alleged Bigfoot footage and remains the subject of debate over whether it shows an unknown creature or an elaborate hoax.
1968 – Former First Lady Jacqueline Kennedy married Greek shipping magnate Aristotle Onassis in a private ceremony on the Greek island of Skorpios, five years after the assassination of President John F. Kennedy.
1973 – President Richard Nixon ordered the dismissal of Watergate special prosecutor Archibald Cox, triggering the resignations of Attorney General Elliot Richardson and Deputy Attorney General William Ruckelshaus. The confrontation, known as the “Saturday Night Massacre,” intensified the Watergate scandal and demands for Nixon’s impeachment.
1973 – The Six Million Dollar Man: Wine, Women and War, the second television movie featuring Lee Majors as bionic secret agent Steve Austin, aired on ABC. The character later became the star of a popular weekly television series.
1973 – Queen Elizabeth II officially opened the Sydney Opera House in Australia after 14 years of construction. Its distinctive sail-shaped roof made the building one of the world’s most recognizable architectural landmarks.
1977 – A chartered plane carrying the Southern rock band Lynyrd Skynyrd crashed near Gillsburg, MS, killing six people, including lead singer Ronnie Van Zant, guitarist Steve Gaines and backing vocalist Cassie Gaines. Twenty others aboard survived.
1979 – The John F. Kennedy Presidential Library and Museum was dedicated in Boston, MA, honoring the life and presidency of John F. Kennedy and preserving records of his administration.
1993 – Attorney General Janet Reno warned the TV industry to limit the violence in their programs.
1994 – The White House launched its official website, WhiteHouse.gov, bringing information about the presidency and the federal government to the rapidly growing World Wide Web.
2001 – Paul McCartney, The Who, Elton John, Billy Joel, Mick Jagger, Keith Richards and other major performers took part in the Concert for New York City at Madison Square Garden. The benefit honored first responders and raised money for people affected by the September 11 terrorist attacks.
2003 – Michigan resident Kirk Jones survived a plunge over the Canadian Horseshoe Falls at Niagara Falls without a barrel or other protective equipment, becoming the first person known to survive such a fall. Jones was later fined for the stunt. He died in 2017 during an apparent second attempt to go over the falls.
2003 – The murder trial of John Allen Muhammad, one of the perpetrators of the 2002 Washington-area sniper attacks, began in Virginia. Muhammad initially represented himself before allowing his attorneys to take over his defense.
CELEBRITY BIRTHDAYS ON OCTOBER 20:
Barrie Chase – 93 years old (1933) – Actress and dancer
Wanda Jackson – 89 years old (1937) – Singer-songwriter and guitarist
Dolores Hart – 88 years old (1938) – Actress and nun
Robert Pinsky – 86 years old (1940) – Poet and critic
Diana Gittins – 80 years old (1946) – American-English sociologist, author, and academic
Sandra Dickinson – 78 years old (1948) – American-English actress and composer
William Russ – 76 years old (1950) – Actor and director
Al Greenwood – 75 years old (1951) – Keyboard player
Ken Ham – 75 years old (1951) – Australian-American evangelist
Melanie Mayron – 74 years old (1952) – Actress and director
Keith Hernandez – 73 years old (1953) – Baseball player and sportscaster
Steve Orich – 72 years old (1954) – Composer and conductor
Thomas Newman – 71 years old (1955) – Composer and conductor
Sheldon Whitehouse – 71 years old (1955) – Politician
Hilda Solis – 69 years old (1957) – Academic and politician, 25th United States Secretary of Labor
Valerie Faris – 68 years old (1958) – Director and producer
Lynn Flewelling – 68 years old (1958) – Author and academic
Dave Krieg – 68 years old (1958) – Football player
Viggo Mortensen – 68 years old (1958) – American-Danish actor and producer
Kamala Harris – 62 years old (1964) – Politician and lawyer, 49th Vice President of the United States
Jonathan I. Schwartz – 61 years old (1965) – Businessman
William Zabka – 61 years old (1965) – Actor and producer
Patrick Volkerding – 60 years old (1966) – Computer scientist and engineer, founded Slackware
Michelle Malkin – 56 years old (1970) – Blogger and author
Taj McWilliams-Franklin – 56 years old (1970) – Basketball player
Kenneth Choi – 55 years old (1971) – Actor
Snoop Dogg – 55 years old (1971) – Rapper, producer, and actor
Eddie Jones – 55 years old (1971) – Basketball player
Brian Schatz – 54 years old (1972) – Academic and politician, 11th Lieutenant Governor of Hawaii
Ed Hale – 52 years old (1974) – Singer-songwriter, writer and socio-political activist
Bashar Rahal – 52 years old (1974) – Emirati-American actor and producer
Dan Fogler – 50 years old (1976) – Actor, director, producer, and screenwriter
Leila Josefowicz – 49 years old (1977) – Canadian-American violinist
Sam Witwer – 49 years old (1977) – Actor and musician
John Krasinski – 47 years old (1979) – Actor, director, and producer
Lawrence Roberts – 44 years old (1982) – Basketball player
ASAP Ferg – 38 years old (1988) – Rapper
Jamie Collins – 37 years old (1989) – Football player
Kyle Wiltjer – 34 years old (1992) – Canadian-American basketball player
YoungBoy Never Broke Again – 27 years old (1999) – Rapper
Kenneth Walker III – 26 years old (2000) – Football player
Paige Bueckers – 25 years old (2001) – Basketball player
DAYS OF THE YEAR FOR OCTOBER 20:
- World Osteoporosis Day: Bone health matters—fortify resilience, defy fragility. Embrace vitality through mindful choices and strength-building practices.
- International Chefs Day: Visit a fine restaurant, get gourmet in your own kitchen, thank a chef in your life and encourage others to get crafty with food on International Chef’s Day.
- National Day on Writing: National Day on Writing is celebrated every October 20. It's a day dedicated to acknowledging the significance of writing as both a crucial skill and a form of art. This special day encourages everyone to appreciate and engage in writing activities. This day is important because it aims to highlight the...
- Community Media Day: Support free speech and journalists everywhere on a day devoted to those who share their stories, and others', with the wider world.
- Office Chocolate Day: Bring some joy to your office with a selection of decadent chocolate. Bring trays of chocolates, baked chocolate goodies, or whatever else you like.
- Dysautonomia Awareness Month: Join or host a fundraising event, do your research, and help raise awareness about dysautonomia, a class of diseases affected the autonomic nervous system.
- Pharmacy Technician Day: When someone picks up a prescription, they usually thank the pharmacist. But behind that counter, someone else made it happen. Pharmacy technicians are the ones counting pills, checking labels, answering phones, and keeping everything running smoothly. They’re not just assistants—they’re problem-solvers who keep things on track when the pace picks...
- Durga Puja: Durga Puja is a vibrant festival that honors the goddess Durga and celebrates her triumph over evil. Communities come together in a joyful spirit, decorating elaborate idols and pandals—temporary structures full of intricate artwork and colorful displays. Music, dance, and rituals fill the air, creating an energetic atmosphere. People visit...
- Pro-Life Day of Silent Solidarity: Pro-Life Day of Silent Solidarity is a powerful, student-driven event aimed at raising awareness about abortion. On this day, thousands of students from schools and colleges across the world choose to remain silent. The silence symbolizes the voices of unborn children lost to abortion. Participants often wear red armbands or...
- World Statistics Day: Imagine a world without numbers. No data to guide decisions, no figures to measure progress. World Statistics Day shines a light on the vital role of statistics in our daily lives. From tracking health trends to understanding economic shifts, statistics help us make sense of complex information. This global event celebrates...
- International Mastocytosis & Mast Cell Disease Awareness Day: Imagine your body reacting to everyday things like sunlight, exercise, or even stress. For people with mastocytosis or mast cell diseases, this is their reality. These conditions involve mast cells, which are part of the immune system, behaving abnormally. Instead of helping, they release chemicals that cause symptoms like itching, swelling...
- National Chicken and Waffles Day: Chicken and waffles might sound like an odd pair at first, but one bite is all it takes to get it. Crispy, juicy chicken meets warm, buttery waffles. Add a little syrup, maybe some hot sauce, and you've got a plate that feels like a big, cozy hug. National Chicken...
- National Sasquatch Awareness Day: National Sasquatch Awareness Day highlights the mystery of an unknown creature said to live in forests across North America. Some think it’s real. Others see it as a story passed down over time. The day pulls in skeptics and believers alike. It gets people talking, not about proof, but about what...
- Suspenders Day: How could suspenders ever have gone out of style? Dig in your closet or visit a store to bring back one of the most fashionable accessories available.
- National Share the Warmth Day: Through generosity and care, National Share the Warmth Day has been providing coats for millions of people who need them every year. Supporting thousands of coat drives all over the nation, the day promotes a sense of community coming together to support each other – all while promoting circularity and the...
- National Youth Confidence Day: With a global youth population that is continuing to grow by millions each year, the world is filled with young people who have lots of energy – but who also might need to gain a bit of confidence through skill-building and mentoring. National Youth Confidence Day encourages teens and young people...
- National Brandied Fruit Day: Try making your own brandied fruit at home: just take some fruit, sugar, spices and flavorings, and brandy. Cook it down, let it sit a few weeks, then enjoy.
- Information Overload Day: Put away your phone and email, and take steps to limit the flow of information to you, a flow which has become an unmanageable flood for most people today.
- Talent Transformation Day: Talent Transformation Day dives into the wild, fast-moving world of work and asks—how do we keep up without losing ourselves? It brings together people from every kind of job to figure that out. The workplace isn’t what it used to be. New tech, fresh roles, unexpected twists—it’s all on the...
- Miss American Rose Day: Miss American Rose Day honors women of every age through a pageant that’s held online and through mail-in entries. It celebrates their education, achievements, talents, community service, and professional work. On this day, people pause to honor the women in their lives, appreciating the unique skills and strengths each one brings...
- National Call-In Day for Health Reform: National Call-In Day for Health Reform is when people across the country pick up the phone and speak out for better health care. It’s not about big speeches or grand gestures. Just regular folks calling their representatives and asking for care that’s affordable, fair, and available to all. One call...
- National Chemistry Week: Through intricate reactions and bonds, this noble science unveils the secrets of matter, forging advancements that enrich lives and shape the world.
- National Parenting Week: National Parenting Week is a special time set aside each October to celebrate and reflect on the art of raising children. The week will shine a light on the critical role parenting plays in shaping children's futures. This week underscores the significance of good parenting and its impact on a...
- YWCA Week Without Violence: Every man, woman, and child can be more involved with building a community that has no tolerance for violence, provides resources and protection for those who need them, and shows honor and respect to every human being! The YWCA Week Without Violence provides a targeted opportunity to increase conversations, tell stories...
- Free Speech Week: Neither a political event nor an ideological platform, Free Speech Week is a unifying celebration reminding the people of the US that they all have a voice that may be used and that their neighbor’s voice and opinion are just as valuable as their own! As was written by Evelyn Beatrice...
- National Adoption Week: National Adoption Week is an annual event that celebrates the positive impact of adoption on children and families. This week provides an opportunity to share inspiring stories from adoptive families and highlight how adoption changes lives. It also helps to educate the public about the adoption process and encourages people...
- National Temperature Check Week: National Temperature Check Week emphasizes the importance of regularly monitoring body temperature. This week raises awareness about how temperature fluctuations can signal health issues. By checking temperatures, people can detect early signs of infections and other conditions, promoting better health practices. Why Do We Celebrate National Temperature Check Week? Celebrating this week...
- National Retirement Security Week: National Retirement Security Week is a time dedicated to encouraging Americans to focus on their financial future. This initiative emphasizes the importance of planning for retirement, emphasizing how even small steps now can lead to significant improvements later. Many workers dream of their retirement years, but a large number haven't...
- National Health Education Week: National Health Education Week focuses on the vital role that health education plays in improving public well-being. It encourages communities to focus on health literacy, helping people understand how to take control of their health. During this week, various public health topics are addressed to help people make informed choices...
- National Collegiate Alcohol Awareness Week: National Collegiate Alcohol Awareness Week is an event that promotes safety and health in the context of young adults who are experiencing new freedoms in an educational space. It’s an opportunity to make sure students and faculty are informed and given the tools they need to make wise decisions for...
- National Friends of Libraries Week: While many public libraries in the US do receive some funding from the government, it is often not enough to accomplish the programs and provide all the activities and resources the community could benefit from. Because of this, most libraries have relationships with local businesses, organizations, groups, and individuals who...
- National School Bus Safety Week: Behind the wheel, they navigate the roads of possibility, ensuring the next generation's safe voyage to knowledge with a friendly smile.
- Nuclear Science Week: Nuclear Science Week invites people of all ages, from all around the globe, to get involved and learn more during this important awareness event! History of Nuclear Science Week Beginning in the late 1800s and developing through the first half of the 20th century, the science of atomic radiation, nuclear fission...
- National Teen Driver Safety Week: As the leading cause of death for teens in the United States, car crashes by teen drivers need to be taken seriously and discussed healthily. National Teen Driver Safety Week raises awareness about this issue and brings opportunities to have important conversations about safety! History of National Teen Driver Safety Week The...
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