Day in History Archive May 4

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Note: These historical tidbits have been collected from various sources, mostly on the Internet. As detailed in this article, there is a lot of wrong information that is repeated hundreds of times because most websites do not validate with authoritative sources. On RF Cafe, events with hyperlinks have been verified. All will eventually be either verified or removed.
Please submit significant historical events and dates for inclusion in these lists. I will be glad to include your name and birthday. Please do not submit your death date ;-)
 

May 4

1874: Frank Conrad, owner of more than 200 patents, developer the first commercial radio station, and coiner of the term "broadcast," was born. 1927: The first U.S. balloon flight to exceed an altitude of 40,000-ft was made by Capt. Hawthorne Gray. 1942: The Battle of the Coral Sea, the first sea battle to be fought entirely from the air, commenced between American and Japanese carriers. 1967: The Lunar Orbiter 4 was launched. 1979: Conservative Party leader Margaret Thatcher was chosen to become Britain's first female prime minister as the Tories ousted the incumbent Labor government in parliamentary elections. 1997: IBM's Deep Blue computer defeated world chess champion Garry Kasparov. 2000: The "ILOVEYOU" e-mail virus began its attack on computers worldwide.