What is associated with: by 1929 the year he turned 25 j op had published 15 papers in this new field of subatomic physics?

What is associated with: by 1905 this college sport had gotten so violent tr urged important rule changes that were soo… What is associated with: by 1912 this merchants company owned more than 500 stores bearing his name across the us? What is associated with: by 1918 this russian born mob mastermind was running a floating crap game with bugsy siegel? What is associated with: by 1924 the phrase my flag in the pledge of allegiance had been changed to this longer phrase? Based on the clue 'by 193 rome had sunk so low juliannus bought this ...', what is the answer? What is associated with: by 1940 artem mikoyan mikhail gurevich produced the first of these soviet fighter planes? What is associated with: by 1942 fdr had appointed 7 new men to this body it took a while but he got the packing he had… What is associated with: by 1946 hed catalogued over 29000 galaxies almost 4000 asteroids 1 new planet pluto?