1896 Games in Athens.
Men have run the 110 meter hurdles since the first modern Olympic Games in 1896. The 400 meter event started at the 1900 Games in Paris.
Women began running hurdles with the 80 meter hurdles event at the 1932 Games in Los Angeles. The 100 meter hurdles event replaced the 80 meter event at the 1972 Games in Munich. Women have been running the 400 meter hurdles event since the 1984 Games in Los Angeles.
The height of the women's 100m hurdles is 33 inches (83.8cm).
1945
42 inches
As far as the Modern Olympics go, the 110 meter hurdles event was in the first Modern Games in 1896 at Athens. Women started running the 80 meter hurdles at the 1932 Games in Los Angeles.
The bronze medalist in the Women's 400m Hurdles event at the Rio 2016 Olympics was Ashley Spencer.
The bronze medalist in the Women's 100 Metres Hurdles event at the Rio 2016 Olympics was Kristi Castlin.
The bronze medal in the Men's 400m Hurdles event at the Rio 2016 Olympics went to Yasmani Copello.
Denmark won the silver medal in the Women's 400m Hurdles event at the Rio 2016 Olympics.
The gold medal in the Men's 400m Hurdles event at the Rio 2016 Olympics went to Kerron Clement.
Boniface Mucheru Tumuti was the silver medalist in the Men's 400m Hurdles event at the Rio 2016 Olympics.
Dalilah Muhammad won the gold medal in the Women's 400m Hurdles event at the Rio 2016 Olympics.
The silver medalist in the Men's 110 Meter Hurdles event at the Rio 2016 Olympics was Orlando Ortega.