Please examine the text below. When was Noah's Bagels sold to Einstein Bros.?

Einstein Bros. was created by the chain restaurant corporation Boston Chicken (now Boston Market) in 1995, as a way to market breakfast foods. The chain is now owned by Einstein and Noah Corp., a wholly owned subsidiary of Einstein Noah Restaurant Group, Inc.[1]
Boston Chicken, Inc. originally formed the Einstein and Noah Bagel Corporation as Progressive Bagel Concepts, Incorporated (PBCI) in March 1995, when it purchased four retail bagel chains, all located in regions of the United States that did not have longstanding bagel traditions. These companies included Offerdahl's Bagel Gourmet, Incorporated (Fort Lauderdale), Bagel & Bagel, Incorporated (Kansas City), Baltimore Bagel (San Diego), and Brackman Brothers, Incorporated (Salt Lake City). Each found that their stores were similar in that they offered both original and new bagel flavors in wealthy neighborhoods where the customers had relatively little previous exposure to bagels.[2]

Noah's Bagels was founded in 1989 by Noah Alper on College Avenue in Berkeley, California.[3] In 1996, the chain of 38 stores was sold to Einstein Bros. for $100 million.[4]
Noah's Bagels was sold to Einstein Bros. in 1996.