July 10 edit
1989: A severe tornado outbreak, including two violent tornadoes, caused more than $200 million in damage in the Northeastern United States.
2005: Hurricane Dennis reached peak intensity with a central pressure of 930 millibars (27.46 inHg), making it the strongest Atlantic hurricane to form prior to August. This record was broken by Hurricane Emily only 6 days later.
2006: Typhoon Ewiniar made landfall on the southern end of the Korean Peninsula. The death toll in North Korea may have been as high as 10,000 people.
2009: A total of eleven bolts of lightning struck the launch pad of the Space Shuttle Endeavour, one of many delays which plagued shuttle mission STS-127.