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.

MONTH April DAY 15

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.


Historically, a lot of bad things happen on That Sucks Day, not least of which is that it's income tax pay day (this is also the day the Titanic sank and...
Banana Day is a bit like a heady mix of April Fool's Day and Halloween (without the sweets or vandalism) and with a helpful portion of healthy eating thrown in...
For anyone who might be feeling the urge to do something worthwhile or an itch to give back to the community,...
Bookmobile Day is an opportunity to celebrate one of the many services offered through public libraries. Originating in the nineteenth century, the earliest...
There's no prize for guessing what we're celebrating today! As your intuition might just have told you, it's...

History Facts:

15-04-1850 City of San Francisco incorporated.
15-04-1912 Titanic sinks at 2:20 AM.
15-04-1922 the famed Poodle Dog Restaurant closes.
15-04-1923 insulin becomes generally available for diabetics.
15-04-1928 Alioto's on Fisherman's Wharf is founded.
15-04-1955 Ray Kroc starts the McDonald's chain of fast food restaurants.

Famous Birthdays:

15-04-1452 Leonardo da Vinci, factotum
15-04-1707 Leonhard Euler, mathematician