But had more women been enrolled in the studies, answers about the effectiveness of the treatment might have been achieved earlier.

The first controlled reaction had been achieved four years earlier, on December 2, 1942, at the University of Chicago.

Her first 8,000 peak had been achieved 9 years earlier, on May 23, 2001, when she climbed to the summit of Mount Everest.

Scientists had earlier achieved the same feat with lower forms of life like fruit flies and worms.

Zakaria made history when he brought such a large group of musicians to Europe, this was never earlier achieved in that manner.

Bill Pedler had earlier achieved a gross 65 in a friendly play and in 1931 secured the official record of 68 + 2 (70).

Whether this could have been achieved earlier with more prisoners taken has been a matter of some controversy.

The Schwartz players, trailing by 18 imps into the final 16-deal quarter, were unable to repeat the semifinal miracle they had achieved 24 hours earlier.

If I could have achieved this voice earlier, I would have.

It was originally planned for the analogue switch-off to occur on 31 December 2002, but this was achieved 15 months earlier.