The death of Helen Keller (American blind and deaf writer and teacher) occurred on June 1, 1968. Helen Keller was a prominent figure of the twentieth century, known for overcoming the challenges of blindness and deafness from early childhood to become a writer, teacher, and social activist. Born in Alabama in 1880, Keller lost her sight and hearing after a severe illness at the age of nineteen months. With the support of her teacher, Anne Sullivan, Keller learned sign language and later written language, eventually pursuing higher education. She became the first deaf-blind person to earn a college degree, graduating from Radcliffe College in 1904. Helen Keller authored more than twelve books and numerous articles about her experiences and the rights of people with disabilities, gaining international recognition as a speaker and advocate for human rights. Helen Keller's death on June 1, 1968, received widespread attention in the media and among social circles. She remained active in educational and social causes throughout her life, and her legacy continues to inspire people with disabilities and human rights advocates worldwide. After her passing, her memory has been honored in many countries, and her works remain of interest to researchers and the public alike. This observance was added to the Gregorian calendar in 1968 as a historical milestone due to Helen Keller's significant impact on modern history and her role in raising public awareness about the rights of people with disabilities.