Richard Stallman Announces the GNU Project
September 27, 1983
Promising a “Free Unix”, Richard Stallman announces that he is going to write a complete Unix-compatible software system he calls GNU (which stands for Gnu’s Not Unix). This is a significant milestone in the history of open source and free software. Stallman would later found the Free Software Foundation.
Concorde Breaks Atlantic Crossing Speed Record
September 26, 1973
The supersonic aircraft Concorde makes its first non-stop Atlantic crossing and sets a new speed record in the process. Flying from Washington D.C. to Paris, France in 3 hours 32 minutes at an average speed of 954 miles-per-hour, the Concorde cut the old speed record in half.
Apple Passes $500 Billion Valuation
February 29, 2012
The stock value of Apple, Inc. surpasses $500 billion, setting a new record for the company which was already the world’s most valuable company at the time. This day marks a milestone on the historic run for the company from near-bankruptcy in the 1990’s to one of the most, if not the most, dominant technology company in recent history. Apple would later become the first company in history to surpass $700 billion in value in February 2015.
Tokyo Skytree Completed
February 29, 2012
Construction of the Tokyo Skytree broadcast tower, delayed two months due to the 2011 Japan earthquake and tsunami, is completed on leap day – February 29th, 2012. The Tokyo Skytree is the tallest structure in Japan and the world’s tallest tower.