1965 Palm Sunday tornado outbreak - Wikipedia
https://en.wikipedia.org/wiki/1965_Palm_...o_outbreak
The second Palm Sunday tornado outbreak occurred on April 11–12, 1965, in the Midwest U.S. states of Indiana, Ohio, Michigan, Wisconsin, Illinois and Iowa, with 47 tornadoes (32 significant, 17 violent, 21 killers). ... It was the deadliest tornado outbreak in Indiana history, with 137 people killed.
https://en.wikipedia.org/wiki/1965_Palm_...o_outbreak
The second Palm Sunday tornado outbreak occurred on April 11–12, 1965, in the Midwest U.S. states of Indiana, Ohio, Michigan, Wisconsin, Illinois and Iowa, with 47 tornadoes (32 significant, 17 violent, 21 killers). ... It was the deadliest tornado outbreak in Indiana history, with 137 people killed.