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Like those in other months, most April tornadoes do not kill and most of the killers do not claim more than 1 or 2 lives. The deadliest tornado in world history, the Daulatpur-Saturia tornado in Bangladesh, struck on April 26, 1989, killing an estimated 1300 people. The deadliest tornado to hit the U.S. in April was the Tupelo, Mississippi tornado of April 5, 1936 which killed at least 216 people, making it the 4th deadliest in U.S. history. Two of the deadliest tornadoes in the U.S. in the era of modern forecasting were on April 27, 2011 and killed 64 and 72 people.
There were 49 recorded tornadoes in Illinois in 2008.
There were 103 confirmed tornadoes in Texas in 2011.
There were a total of 1,817 tornadoes in the U.S. in 2004 of which 20 were killers. These tornadoes claimed a total of 36 lives. The deadliest of these was an F3 in Illinois that killed 8.
Global records are not available, but there were 1,339 tornadoes recorded in the U.S. in 1999.
The deadliest tornado in Minnesota history Struck parts of St. Cloud and Sauk Rapids on April, 14 1886, killing 72.
Since official record keeping began in 1950 3 or 4 tornadoes have affected Glendale, Arizona. Before that it would be difficult to determine how many tornadoes struck there.
Since official records began in 1950, Xenia has been struck by six recorded tornadoes.
Overall it would probably be Oklahoma. For its size Oklahoma probably has the most violent tornadoes and has had a few of the deadliest and most destructive. It should be noted, though that Mississippi and Missouri have had a history of exceptionally deadly tornadoes, though such violent tornadoes visit those states less frequently.
The world's deadliest tornado was the Daulatpu-Saturia tornado, which struck central Bangladesh on April 26, 1989. It killed an estimated 1,300 people.
Around 148 tornadoes were reported on those days. There was a giant storm system. Tornadoes happened in that day in more than 13 states. The deadliest one was the one that hit Xenia, Ohio. Around 300 people died that day and many more were missing and injured.