
National Panda Day: The Greatest Comeback in Conservation
National Panda Day on March 16 celebrates giant pandas and one of conservation's biggest success stories. Wild populations grew from 1,100 to nearly 1,900.
Famous events, birthdays and milestones

National Panda Day on March 16 celebrates giant pandas and one of conservation's biggest success stories. Wild populations grew from 1,100 to nearly 1,900.

On March 15, 1892, the escalator earned its patent as an inclined elevator. It debuted as a Coney Island amusement ride before changing malls and metros.
Pi Day began on March 14, 1988 when physicist Larry Shaw led a boombox parade through a San Francisco museum. Today it's a global celebration of mathematics.

On March 13, 1999, Cher's Believe hit number one on the Billboard Hot 100. The song introduced Auto Tune as a creative effect and sold over 11 million copies.
On March 12, 1989, Tim Berners-Lee submitted a proposal at CERN that became the World Wide Web. His boss called it vague but exciting. He never patented it.
On March 11, 2011, Apple released the iPad 2 to massive lines worldwide. Steve Jobs surprised everyone by presenting it despite being on medical leave.
Every March 10, fans celebrate Mario Day because MAR10 spells Mario. The world's most famous plumber started as a nameless character named after a landlord.
On March 9, 1959, a $3 doll named after Ruth Handler's daughter debuted at a New York toy fair. A missile engineer built her. Kids made her a global icon.
International Women's Day began when 15,000 garment workers marched through New York in 1908. The real origin story is far more radical than most realize.

National Cereal Day on March 7 celebrates breakfast cereal, a health food turned sugary empire. Discover the bizarre origins and surprising facts behind it.

On March 6, 1912, a Hoboken grocer bought the very first Oreos ever sold. This copycat cookie outsold the original Hydrox and became the world's favorite.
On March 5, 1963, Wham-O patented the Hula Hoop after selling 25 million in just two months. The toy craze swept the globe and even got banned in countries.
On March 4, 2000, Sony launched the PlayStation 2 in Japan. It became the best selling video game console of all time with over 155 million units sold.