https://books.google.com/ngrams/graph?corpus=26&smoothing=3&content=%22+safety+first+%22%2C%22+automobile+%22%2C%22+factory+%22&year_start=1800&year_end=2019&di

https://books.google.com/ngrams/graph?corpus=26&smoothing=3&content=%22+safety+first+%22%2C%22+automobile+%22%2C%22+factory+%22&year_start=1800&year_end=2019&direct_url=t1%3B%2C%22%20safety%20first%20%22%3B%2Cc0%3B.t1%3B%2C%22%20automobile%20%22%3B%2Cc0%3B.t1%3B%2C%22%20factory%20%22%3B%2Cc0 https://books.google.com/ngrams/graph?corpus=26&smoothing=3&... https://www.google.com/books/edition/Safety_First/XxqjIqE4yqIC?hl=en&gbpv=1&dq=%22%22+safety+first+%22%22&pg=PP109&printsec=frontcover https://www.google.com/books/edition/Safety_First/XxqjIqE4yq... > "The modern Safety First movement was born at United States Steel in 1906" I was kind of surprised that "Safety First" is that old.