The phrase "achievements previously" is correct and usable in written English.
It can be used when referring to accomplishments that occurred at an earlier time in a discussion or context.
Example: "The report highlights the achievements previously made by the team in the last quarter."
Alternatives: "previous accomplishments" or "earlier achievements".
The Beatles' popularity in the UK came to exceed even that of the notable American artists Tommy Roe, Chris Montez and Roy Orbison, whose UK chart success at the time did not keep them from being overshadowed by The Beatles during their 1963 nationwide tours with the lower-billed band — an achievement previously unknown for a UK act.
If I ruled radio I'd have a whole network devoted to the achievements of previously neglected female writers, scientists, doctors, architects, inventors, artists, politicians and composers.
But the majesty of Ammons's achievement, scattered previously in more than twenty volumes, some out of print for decades, can now be recognized.
Recent government-funded programmes to improve the achievement of previously underrepresented student groups have proven to be ineffective, because the role of the teacher has been largely overlooked (Middelkoop and Meerman 2014; Zijlstra et al. 2013).
The eighth stage of SCP concerns evaluation of the existing protected area network, i.e. assesses current achievement of previously developed objectives.
Time pressure, work environment, communication, career and goal achievement have previously been found to be work-stressors predictive of high levels of dissatisfaction at work for general practitioners [ 12].
A confession: I got a D in GCSE art, an achievement that was previously considered impossible.
Medical science is in fact a constantly evolving matter; in particular, the development of knowledge involves the identification of new methodologies, which are able to offer the achievement of objectives previously unthinkable and therefore the law has to conform to this evolutionary process.
Given their domestic achievements some four months previously, it felt a natural opportunity to prioritise Europe.
His stewardship of Major League Soccer has led it to previously unimaginable achievements, and I say that as someone who has had occasional disputes with his staff, and whose stories have not always made Prost Amerika the toast of MLS HQ.
