Billionaire investorWarren Buffettmay have had one of the best birthday presents ever: The company he has led for decades passed the $1 trillion market capitalization milestone several days before his 94th birthday.

Berkshire Hathaway Inc(NYSE:BRK)(NYSE:BRK) became the first non-technology, U.S. based company to join the elite trillion-dollar club on Wednesday, Aug. 28, further solidifying Buffett's status as one of the top investors of all time.

The milestone for Buffett's firm, where he remains chairman and CEO, is one of many during this storied career. Here's a look at a small portion...