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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
the event at which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "the event at which" is correct and usable in written English.
It can be used to refer to a specific occasion or gathering where something occurs or is discussed. Example: "The event at which the awards ceremony will take place is scheduled for next Friday."
✓ Grammatically correct
News & Media
Science
Formal & Business
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
40 human-written examples
He organized the event at which the shooting occurred.
News & Media
The event at which Trump spoke, in Houston, was closed to press.
News & Media
They said the event, at which research was presented by attendees from Pfizer to Time Inc. to the Mayo Clinic, told just part of the story.
News & Media
Andy offsets the frivolousness of Erasure's show by expressing his support for the event, at which he is to be one of the speakers.
News & Media
"One of the themes was, this is probably the last major anniversary of the event at which elderly survivors will be able to participate".
News & Media
The event, at which Mrs Blair took the podium ahead of Ms Short and the education secretary, Estelle Morris, echoed a similar one in the US.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
17 human-written examples
The Commons home affairs select committee has heard that "cutters" – often older women – are flown into Britain for the events, at which as many as a dozen girls may be operated on.
News & Media
This region is marked off by the events at which the outside edge of the forward light cone points straight upward.
Science
She explained it was one of the events at which his father had been successful.
Wiki
In the case of former political leaders like Obama, the Clintons, Colin Powell, Henry Kissinger, Madeline Albright, the Bushes, Dick Cheney, they are hired primarily to bring star power to the events at which they speak ― they draw big crowds.
News & Media
The governing body's notice period extends to the end of the 2013-14 event, at which point they say they will exit the competitions.
News & Media
Expert writing Tips
Best practice
Prefer more specific language when the context is more limited or informal.
Common error
Avoid using "the event at which" in casual or informal writing; it may sound overly formal or stilted. Opt for simpler alternatives like "where" or "when" for a more natural tone.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the event at which" functions as an adverbial relative clause, modifying a noun (typically "event") by providing additional information about it. It specifies a particular occasion or gathering by connecting it to something that happened or will happen there. Ludwig's examples show that this construction is often used in formal writing.
Frequent in
News & Media
70%
Science
15%
Formal & Business
10%
Less common in
Wiki
3%
Encyclopedias
1%
Reference
1%
Ludwig's WRAP-UP
In summary, "the event at which" is a grammatically sound phrase used to link an event to associated details, with Ludwig confirming its correctness and usability. Primarily functioning as an adverbial relative clause, it serves to provide context and clarify information, most commonly in news and media, as shown by Ludwig examples. While accurate, this phrase is best suited for formal or neutral registers, where a degree of precision is needed. When writing casually, consider using simpler alternatives. Keep in mind that overuse of the phrase in colloquial conversations might sound stilted or unnatural.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
the occasion when
Replaces 'at which' with 'when', focusing on the temporal aspect of the event.
the circumstance where
Substitutes 'event' with 'circumstance' and 'at which' with 'where', emphasizing the context.
the situation in which
Emphasizes the surrounding conditions of the event.
the instance that
Replaces 'event' with 'instance' and restructures the sentence.
the moment when
Highlights a specific point in time during the event.
the episode where
Uses 'episode' instead of 'event', suitable for narrative contexts.
the scenario where
Focuses on the sequence of actions and conditions.
the juncture when
Uses 'juncture' for a more formal tone, indicating a critical point.
the incident in which
Replaces 'event' with 'incident', often implying a specific occurrence.
the affair where
Substitutes 'event' with 'affair', suggesting a noteworthy occurrence.
FAQs
How can I use "the event at which" in a sentence?
Use "the event at which" to connect a particular occasion with the actions or details associated with it. For example, "The conference was the event at which the new policy was announced."
What are some alternatives to "the event at which"?
Alternatives include "the occasion when", "the circumstance where", or simply using "where" or "when" depending on the context.
Is "the event at which" appropriate for all types of writing?
While grammatically correct, "the event at which" is generally more suitable for formal writing. In informal contexts, simpler alternatives may be preferable.
What's the difference between "the event at which" and "where"?
"The event at which" is a more formal construction that explicitly links an event to its details. "Where" is simpler and more versatile, suitable for both formal and informal contexts. Consider using "where" when formality is not a primary concern.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested