Welcome to the dates dictonery

The complete guide for learning what happened on a specific date, fun and crazy facts, holidays and speial events that heppend on any day.


what-happened-on gives you almost all the interesting facts there is to know about any date from the day you were born until today!
Interesting facts, strange holidays and event that you could never have imagined exist.
Look for your birthday page or your loved ones birthday page and you'll be surprise the things you'll find there.
Instead of wasting your free time what-happened-on will wait for you with some awesome facts and fun things to learn each and every day.
Feel free to even leave a comment on your favorites days or just say congrats to your loved ones on their birthday wall.


We're all a little bit materialistic, and tend to buy, own and hoard more 'stuff' than we might really need... We're all pack rats, hoarders of treasures and...
World Hypertension Day might sound like an intensely stressful day, which causes high blood pressure, but it...
World Telecommunications Day celebrates the constant evolution of one of the most important factors of our...
This World Baking Day, it's time to dig out that rolling pin and prepare something delicious!

History Facts:

17-05-1630 Italian Jesuit Niccolo Zucchi - 1st to see 2 belts on Jupiter surface
17-05-1792 24 merchants form NY Stock Exchange at 70 Wall Street
17-05-1804 Lewis & Clark begin exploration of La Purchase
17-05-1809 Papal States annexed by France
17-05-1814 Denmark cedes Norway to Sweden (Natl Day)
17-05-1872 Bohemian Club incorporated
17-05-1875 1st Kentucky Derby run at Churchill Downs Winner was Aristides
17-05-1898 Camp Merritt established in Presidio
17-05-1921 Pres Harding opens (via telephone) 1st Valencia Orange Show
17-05-1938 Radio quiz show `Information Please!' debuts on NBC Blue Network
17-05-1939 1st sports telecast - Columbia vs Princeton - College baseball
17-05-1940 Nazis occupied Brussels Belgium
17-05-1954 Supreme Court unanimously rules on Brown v Topeka Board of Ed reversed 1896 `separate but equal' Plessy Vs Ferguson decision
17-05-1960 1st atomic reactor system to be patented - JW Flora - Canoga Park CA
17-05-1962 Marin County withdraws from BART district
17-05-1968 European Space Research Org launches 1st satellite
17-05-1973 Senate Watergate Committee began its hearings
17-05-1981 Islanders score 5 power play goals against Flyers in a playoff
17-05-1983 Israel & Lebanon sign a peace treaty
17-05-1983 Oilers 2-Isles 4 - Stanley Cup- Isles win cup 4-0 (15-5)

Famous Birthdays:

17-05-1749 Edward Jenner, English physician, discovered vaccination
17-05-1836 Joseph Norman Lockyer, astroarchaeologist, founded NATURE magazine
17-05-1866 Erik Satie, composer
17-05-1900 Ayatollah Ruhollah Khomeini, Iran's spiritual leader
17-05-1911 Maureen O'Sullivan, in Boyle Ireland
17-05-1912 Archibald Cox, 1st Watergate special prosecutor
17-05-1912 Clarence (Ace) Parker, NFL quarterback (Brooklyn, Boston Yanks)
17-05-1923 Birgit Nilsson, soprano
17-05-1936 Dennis Hopper, an easy rider
17-05-1956 Sugar Ray Leonard, boxer