While living in Delhi, I made trips to various libraries to access the English renderings of Indian Independence Day speeches in the volumes of collected speeches from every Prime Minister. I digitized them and collected the results, along with those already accessible, into an R package.
Since 1947, I’m only missing two years.
You can find the details of what’s included, how to install it (or just download the final CSV), some basic analysis, and a shiny app in the package’s GitHub repository.