On May 9, 1927 tornadoes killed 150 people in Missouri, Kansas, Texas and Iowa.
“TORNADOES HIT FOUR STATES; 150 ARE DEAD
Missouri, Kansas, Texas and Iowa Ravaged by Storms. DAMAGE IS IMMENSE
10 May 1927, 1 – The Commercial Appeal at Newspapers.com
The Red Cross described 1927 as being the “worst disaster year” in their history.