Explaining significance
History · GCSE · The School
Four criteria, not a feeling
Reach: how many people were affected. Depth: how much their lives changed. Duration: how long the effects lasted. Turning point: whether things afterwards could not go back to how they were. A strong answer picks two or three of these and applies them directly to the event, rather than asserting that it "mattered a lot".
At the time, and since
Significance is not fixed at the moment something happens. An event can be barely noticed at first. It can be judged hugely significant later, once its effects become clear. Or it can dominate the news and fade to a footnote within a decade. A top answer keeps these two timescales separate. It says which one the question is asking about.
Significant for whom?
The same event can be highly significant for one group. It can be almost irrelevant to another. A change in factory law matters to factory workers and their employers. It may barely touch a rural farming family. Before judging significance, work out whose history is being asked about. That choice decides which effects even count.
In 1928 Alexander Fleming noticed that a mould had killed bacteria in a discarded petri dish. He published the finding. Almost nothing happened: no funding, no mass production, barely a citation for a decade. By reach and depth AT THE TIME, this was close to insignificant. By the 1940s, wartime need drove mass production of penicillin. It went on to save many millions of lives. It reshaped surgery, childbirth and the treatment of infection worldwide. Judged by reach, depth and duration SINCE, it is one of the most significant discoveries of the century. Same event, opposite verdict, depending only on which timescale the question asks about.
Building the answer
State your judgement early: "X was highly, moderately or not very significant BECAUSE...". Apply two or three criteria explicitly, each with a specific fact. Address the obvious counter-view too. Name a case for the opposite judgement, then explain why your criteria outweigh it. A one-line assertion with no criteria named earns almost nothing. It does not matter how confident it sounds.
Significance is not the same as size
A huge event is not automatically the most significant one for a given question. A small one is not automatically minor either. A single unnoticed decision can set a precedent that shapes decades. A dramatic event with wide coverage can leave almost nothing changed once the noise settles. Judge by what altered afterwards, not by how much attention something received.