John W Frey (born 1918)

In 1918, in the year that John W Frey was born, in July, Russian revolutionaries executed the former Tzar Nicholas II and his immediate family. While it was rumored that two of the children had survived, it was later proven through DNA analysis - when their bodies were found - that the entire family had been killed.

In 1922, the Lincoln Memorial was dedicated in Washington, D.C. on May 30th. More than 35,000 people attended the dedication including Lincoln's son, Robert Todd Lincoln, and many Union and Confederate veterans - although the audience was segregated. The Memorial took 10 years to complete.

In 1948, on May 14th, the State of Israel was proclaimed by David Ben-Gurion, who became Israel's first Premier, and the U.S. officially recognized Israel. That evening, Egypt launched an air assault on Israel.

In 1979, on November 4th, Iranian militant students seized the US embassy in Teheran and held 52 American citizens and diplomats hostage for 444 days. They were released at the end of the inauguration speech of the newly elected Ronald Reagan.

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.