Srećko Pislak (born 1956)

In 1956, in the year that Srećko Pislak was born, on May 20th, the U.S. tested the first hydrogen bomb dropped from a plane over Bikini Atoll. Previously, hydrogen bombs had only been tested on the ground. The Atomic Age moved forward.

In 1962, on February 20th, Lt. Col. John H. Glenn, Jr. became the first American to orbit the Earth. The Friendship 7 flew three times around the earth in 4 hours and 55 minutes. At age 77, Glenn returned to space - the oldest person to fly in space.

In 1977, on May 25th, Star Wars premiered in theaters. Eventually, it became the highest-grossing film of all time - until E.T. surpassed it a few years later. It was an immediate hit with theatergoers.

In 1986, on January 28th, the space shuttle Challenger exploded 73 seconds after launch. All seven crew members died. The cause of the explosion was later found to be a failed O-ring. The O-ring failure was due to the unusually cold conditions at Cape Canaveral.

In 1991, on December 25th, the Soviet Union flag was lowered and replaced by the Russian tricolor flag. It was the end of the Soviet Union. Mikhail Gorbachev resigned as President of the Soviet Union and Boris Yeltsin became President of the Russian Republic.