No incumbent U.S. Senator has lost a primary in the First State and 33 of 35 incumbents have won renomination over the last century.
Nine state delegations currently have junior senators who are older than its senior senator.
This decade has found the Arizona GOP in the midst of its most heavily contested nomination battles for the office in state history.
Only one previous senator in history has been elected to the chamber without a majority of the vote three times.
The nation has seen an unusually large number of cycles of late during which only one major party flips U.S. Senate seats.
Treasure State Republicans may produce their 11th plurality winner for the office in next Tuesday’s primary; each of the previous 10 lost the general election.
Non-major party candidates have left the faintest of footprints in Mountain State U.S. Senate races over the decades.
The party has hosted only one contested primary for the office over the last dozen cycles since 1988.
It had been 78 years since an incumbent from either party garnered less support in a Mountain State U.S. Senate primary.
Slightly more than 1 in 20 Hoosiers entering Congress since statehood had a family member precede them in one of the two legislative chambers.