1912 5 wpm
1919 10 wpm
1923 Extra First Grade added at 20 wpm
1927 All new classes (A, B, C), and all at 10 wpm
1936 13 wpm all classes
1951 Extra 20 wpm, Adv and Gen 13 wpm, Tech and Novice 5 wpm
1953 No more advanced
1967 Advanced reinstated along with incentive licensing
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Amateur Radio – a hobby where people talk about their hobby using their hobby.