...1834... The Northern Atlantic Coast States were in the midst of their greatest May snowstorm of record. The hills around Newbury VT were covered with two to three feet of snow.
...1896... An F5 tornado ripped through Sherman, Texas. 60 people were killed.
...1900... The high temperature peaked at 84 degrees at Newport, Rhode Island, breaking the record of 73 degrees set in 1896.
...1949... A violent (F4) tornado moved through Amarillo, Texas. The tornado tracked through the Amarillo Airport and damaged or destroyed 45 aircraft. 7 people were killed and 82 were injured. Damage was set at 4.8 million dollars.
...1957... An F4 tornado killed 20 people at Silverton, Texas. A 5000 pound gasoline storage tank was reportedly carried 1.5 miles and dropped into a lake. Local residents said the tornado "looked like red sand, boiling and rumbling".
...1968... A tornado outbreak occurred across Illinois, Missouri, Indiana Ohio, Iowa, and Arkansas. Charles City, Iowa was devastated by a tornado rated F5 on the Fujita scale with 13 people killed and 30 million dollars damage done. An F4 tornado tracked through Jackson, Craighead, and Mississippi Counties in Arkansas, killing 35 people and injuring 361. 164 homes in Jonesboro were destroyed.
...1972... The worst ice jam flooding of memory for long-time residents took place along the Kuskokwim River and Yukon River in Alaska. It was the first time since 1890 that the two rivers "flowed as one". The towns of Oscarville and Napaskiak were completely inundated. (15th-31st)
...1985... At Newport, Rhode Island, the low temperature fell to 38 degrees and was later tied the next year (1986).
...1987... Unseasonably warm weather returned to the north central U.S. Seven cities reported record high temperatures for the date, including Janestown ND with a reading of 96 degrees. Thunderstorms in Utah produced five inches of rain south of Bicknell.
...1988... Thunderstorms in Oklahoma produced wind gusts to 80 mph in Oklahoma County, and baseball size hail at Pawnee. Hail piled up to a depth of 18 inches south of Pawnee. Hail damage in Oklahoma was estimated at close to 25 million dollars. Thunderstorms in the Upper Midwest produced golf ball size hail around Cleveland OH, and wind gusts to 83 mph at Angola IND.
...1989... Thunderstorms developing along and north of a stationary front produced severe weather in the south central U.S. Thunderstorms spawned eleven tornadoes, and there were 145 reports of large hail and damaging winds. Softball size hail caused 2.1 million dollars damage at Sherman TX.
Thunderstorms produced severe weather from the Central Plains Region and Oklahoma to Indiana and western Kentucky. Thunderstorms spawned fifteen tornadoes, including seven in Oklahoma, and there were 165 reports of large hail or damaging winds. A tornado killed one person, injured a dozen others, and caused four million dollars damage at Stillwater OK. Another tornado injured eight persons at Foyil OK. Thunderstorms in Oklahoma also produced wind gusts to 92 mph at Oologah
Lake, and softball size hail at Canton and north of Oakwood.