First Transistor Radio Goes on Sale
The Industrial Development Engineering Associates company begins selling the Regency TR-1, the world’s first commercial transistor radio. Texas Instruments designed and developed the transistor technology who then partnered with IDEA to design and manufacturer the completed radio. The TR-1 sold over 100,000 units, ushering in the commercial transistor industry.
First Crew to International Space Station
Russia launches Soyuz TM-31, carrying the first crew to the International Space Station. The ISS has been continuously manned since this first mission.
Apple Passes $500 Billion Valuation

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.



