when did he become the senator?
1926
Carl Hayden
During Hayden's first run for the Senate in 1926, he based his campaign on his record of defending Arizona's interests in the water rights dispute with California. 
what is the name of a small toad The common toad. how big can this get? It reaches maturity at three to seven years old but there is great variability between populations. how does it behave under threat? When attacked, it adopts a characteristic stance, inflating its body and standing with its hindquarters raised and its head lowered. does it produce any toxic substances? Yes, bufotoxin. how is it produced? It is produced in the parotoid gland and skin of the toad. who made this discovery? By researchers at the Arizona State University. where is this university located? Arizona. when was it founded? March 12, 1885. is the library here worth visiting? Yes, the Arizona State University library system is ranked the 34th largest research library in the United States and Canada. what are the major sports played here? Athletics. are there any controversies associated to the college? UNANSWERABLE has the university produced any notable figures? Yes, Carl Hayden, and Silver Star recipient Pat Tillman to name a few. what can you tell me about the first person mentioned above? He was an American politician and the first United States Senator. where was he born? Hayden's Ferry, Arizona Territory.
wiki:4988682
Carl Hayden [SEP] Senate
During Hayden's first run for the Senate in 1926, he based his campaign on his record of defending Arizona's interests in the water rights dispute with California. To this effort his campaign poster was composed of editorial headlines from California newspapers decrying Hayden's effectiveness at preventing passage of the Swing-Johnson Bill authorizing construction of Boulder Dam. The campaign saw allegations of misconduct raised with incumbent Ralph H. Cameron claiming Hayden had used a slush fund received from out-of-state interests. An inquiry led by Senator William H. King was begun several days before the election and found no evidence of wrongdoing.