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History of Braille Timeline
(1824 - Present)Braille is a tactile writing system of raised dots that enables blind and visually impaired people to read and write. Invented by French teenager Louis Braille in 1824, it evolved from earlier systems like Charles Barbier's night writing. Over nearly two centuries, Braille spread worldwide, was standardized into Unified English Braille (2015), and adapted to modern technology such as refreshable braille displays and screen readers. More Less
Origins and Development
Frequency-based alphabets used in Germany and the US
1800 - 1900
Frequency-based alphabets were used in Germany and the United States in the 19th century, including American Braille. With the invention of the braille typewriter their advantage disappeared, and none are attested in modern use, since the small number of dots made texts harder to read than Braille's more arbitrary letter assignment.
Image source: Braille
Louis Braille develops the braille code
1824
In 1824, at the age of fifteen, Louis Braille developed the braille code based on the French alphabet as an improvement on night writing, creating a tactile system that would transform literacy for blind people worldwide.
First publication of the braille system
1829
Louis Braille published his system in 1829. The publication subsequently included musical notation, extending the usefulness of braille beyond letters and numbers to music.
Second revision of braille published
1837
The second revision of braille, published in 1837, was the first binary form of writing developed in the modern era, refining the system into a more consistent and practical format.
Standardization and Literacy
International Congress proposes braille standard
1878
In 1878, the International Congress on Work for the Blind, held in Paris, proposed an international braille standard, where braille codes for different languages and scripts would be based not on the order of a particular alphabet but on phonetic correspondence and transliteration to Latin.
Rehabilitation Act moves students to mainstream schools
1973
In the US, a key turning point for braille literacy was the passage of the Rehabilitation Act of 1973, an act of Congress that moved thousands of children from specialized schools for the blind into mainstream public schools.
Image source: Rehabilitation Act of 1973
Americans with Disabilities Act requires braille signage
1990
In the United States, the Americans with Disabilities Act of 1990 requires various building signage to be in braille, embedding tactile reading into public infrastructure.
Work begins on standardizing English braille codes
1991
In 1991, work began to standardize the braille codes used in the English-speaking world, aiming to unify the many divergent national codes into a single consistent system.
Image source: English Braille
Legally blind US students' braille usage surveyed
1998
In 1998 there were 57,425 legally blind students registered in the United States, but only 10% (5,461) of them used braille as their primary reading medium, highlighting concerns about declining braille literacy.
Writing Technology
Frank Haven Hall invents accepted braille typewriter
1892
The first braille typewriter to gain general acceptance was invented by Frank Haven Hall, Superintendent of the Illinois School for the Blind, and was presented to the public in 1892.
Image source: Braille
Key Facts
- Louis Braille invented the system in 1824 at age 15 while a student at the Royal Institute for Blind Youth in Paris.
- Braille is based on a six-dot cell, allowing up to 64 possible dot combinations for letters, numbers, punctuation, and symbols.
- It evolved from 'night writing,' a military code developed by Charles Barbier for soldiers to communicate silently in the dark.
- The system gained international recognition after being adopted at a conference in 1878 and became widely used in schools for the blind.
- In 2015, Unified English Braille (UEB) was adopted as a standardized code across many English-speaking countries, replacing older regional codes.
Source
This History of Braille timeline was generated with the help of AI, using information found on the internet.
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