1 The December 26, 2004 Indian Ocean tsunami was caused by an earthquake that is thought to have had the energy of 23,000 Hiroshima-type atomic bombs. 2  The epicenter of the 9.0 magnitude quake was located in the Indian Ocean near the west coast of Sumatra.
The concept of a self-service grocery store was developed by entrepreneur Clarence Saunders and his Piggly Wiggly stores. His first store opened in 1916. Saunders was awarded a number of patents for the ideas he incorporated into his stores. The stores were a financial success and Saunders began to offer franchises.
In Retail Stores. The first Walmart opened its doors on July 2, 1962 in Rogers, Ark. Over the next 5 years Sam Walton and his family opened up 23 more stores in addition to the initial one in R â¦ ogers, Ark. across the country.