Diesel Engine Patented in US

The US Patent Office awards patent 608,845 to Rudolf Diesel for his diesel internal combustion engine.
Project Chess Gets Approval

The Project Chess team at IBM shows a prototype microcomputer to their corporate management. Management gives approval for the team to build an operational computer within a one year deadline to compete in the rapidly emerging personal computer market. One year and 4 days later, the IBM PC is introduced to the world and the rest is history.
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.

