On this day in 1983 he passed Walter Johnson recording his 3,509th strikeout.

Ryan played another 10 years in the majors that saw him win four consecutive strikeout titles from 1987-90. In a career that spanned four decades, Ryan punched out 5,714 batters on strikes.

https://baseballhall.org/discover-more/stories/inside-pitch/nolan-ryan-eclipses-walter-johnsons-strikeout-record