Marietta D. (Hacker) Ferguson (born 1971)

In 1971, in the year that Marietta D. (Hacker) Ferguson was born, on May 3rd, 10,000 federal troops, 5,100 officers of the D.C. Metropolitan Police, 2,000 members of the D.C. National Guard, and federal agents assembled in Washington DC to prevent an estimated 10,000 Vietnam War protesters from marching. President Nixon (who was in California) refused to give federal employees the day off and they had to navigate the police and protesters, adding to the confusion. By the end of a few days of protest, 12,614 people had been arrested - making it the largest mass arrest in US history.

In 1981, on January 20th, Ronald Reagan became the 40th President of the United States. He ran against the incumbent, Jimmy Carter, and won 50.7% of the popular vote to Carter's 41.0%.

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 1987, was the first time that a criminal in the United States - a serial rapist - was convicted through the use of DNA evidence.

In 1990, on April 24th, the Hubble telescope was launched into space after long delays due to the Challenger explosion. An optical flaw was found within weeks of launch but was fixed within three years. The discoveries made possible by the Hubble have contributed to scientists' understanding of the universe.