2014 Event Discount store Dollar Tree will buy rival Family Dollar for $8.5 billion; the merged company is expected to generate revenue in line with competitor Dollar General 2011 Event The trial of Egypt's President Hosni Mubarek and sons, Alaa and Gamall is adjourned and merged with that of former Interior Minister Habib al-Adly 1988 Event Dutch Liberal Party merged with SDP 1968 Event U.S. pro soccer 14 teams merged into 1 all star team 1928 Event Dodge Brothers Inc. and Chrysler Corp. merged 1924 Event Metro Pictures, Goldwyn Pictures and Louis B. Mayer merged to form MGM