Men's 110 metres hurdles world record progression

Columns: Time | Athlete | Nationality | Location of race | Date
15.0 | Forrest Smithson | United States | London | 25 July 1908 | 15.0 | Harold Barron | United States | Antwerp | 17 August 1920 | 15.0 | Earl Thomson | Canada | Antwerp | 17 August 1920 | 14.8 | Earl Thomson | Canada | Antwerp | 18 August 1920 | 14.8 | Sten Pettersson | Sweden | Stockholm | 18 September 1927 | 14.6 | George Weightman-Smith | South Africa | Amsterdam | 31 July 1928 | 14.4 | Eric Wennström | Sweden | Stockholm | 25 August 1929

Example questions:
Which era saw the establishment of the city where 110 meters of hurdles were completed in 14.2 seconds by Percy Beard ? | When was the demise of the 110m hurdle athlete whose nationality has an estimated population of over 328 million ? | Which university enrolled the person who finished 110 meters of hurdles in 14.8 seconds in Antwerp ? | Which years did the person who finished 110 meters of hurdles in 14.4 seconds in Stockholm finish this event the fastest ? | Which state landlocks the city where 110 meters of hurdles were completed in 14.1 seconds by Forrest Towns in August ?

Answers:
Viking Age | March 27 , 1990 | Long Beach Poly | 1929 to 1934 | Brandenburg