Used and loved by millions
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
that happened
Grammar usage guide and real-world examplesUSAGE SUMMARY
"that happened" is correct and can be used in written English.
It is often used as a phrase to confirm or acknowledge that something occurred or to express disbelief or surprise about something that has just been said. Example: "I can't believe we won the game last night." "I know, right? That happened!".
✓ Grammatically correct
News & Media
Science
Wiki
Academia
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
52 human-written examples
Silly thing that happened".
News & Media
That thing that happened.
News & Media
"He remembers everything that happened".
News & Media
She recorded everything that happened.
News & Media
With good fortune that happened".
News & Media
And that happened both times.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
8 human-written examples
"Just things that happen".
News & Media
"When did that happen?
News & Media
Why did that happen?
News & Media
How did that happen?
News & Media
The worst that happens?
News & Media
Expert writing Tips
Best practice
Use "that happened" to acknowledge a known fact or event in a conversation, creating a sense of shared understanding. This can make your communication more relatable and engaging.
Common error
Avoid using "that happened" excessively in formal documents or academic papers, as it can sound too informal. Opt for more precise and professional alternatives like "it occurred" or "it transpired" to maintain a suitable tone.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that happened" primarily functions as a declarative statement used to acknowledge, confirm, or recall a past event. It serves to indicate that something took place, as evidenced by Ludwig examples like "That happened twice" and "That happened in September."
Frequent in
News & Media
45%
Academia
20%
Wiki
15%
Less common in
Science
10%
Formal & Business
5%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "that happened" is a grammatically sound and commonly used expression to acknowledge or confirm a past event. Ludwig AI confirms its correctness and widespread use. While versatile, its neutral to informal register makes it less suitable for highly formal contexts. It is most frequently encountered in news and media sources, as well as academic discussions. For more formal settings, consider alternatives such as "it occurred" or "it transpired". The examples showcase its use in various scenarios, demonstrating its flexibility in everyday communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it occurred
Replaces 'happened' with a more formal synonym, suitable for professional contexts.
it took place
Similar to "it occurred" but emphasizes the event's location or setting.
it came about
Explains how or why something happened, focusing on the circumstances that led to the event.
it transpired
Suggests that the event became known or revealed itself over time.
it played out
Focuses on the development and resolution of an event, similar to "it unfolded".
it unfolded
Implies a gradual or revealing process, rather than a single event.
it came to pass
An older, somewhat literary way of saying "it happened", adding a sense of destiny or fate.
it materialized
Suggests that something became real or visible after a period of anticipation or planning.
it went down
A more informal way of saying "it happened", often used to describe events with excitement or drama.
that came to fruition
Describes the successful realization of something planned or hoped for.
FAQs
How can I use "that happened" in a sentence?
You can use "that happened" to acknowledge a previous event or fact. For example, "I heard you got a promotion. That happened last week, right?"
What's a more formal way to say "that happened"?
In formal contexts, consider using alternatives like "it occurred", "it transpired", or "it came to pass".
Is "that happened" appropriate for academic writing?
While grammatically correct, "that happened" might be too informal for most academic writing. Opt for more formal phrasing to maintain a professional tone.
What's the difference between "that happened" and "that occurs"?
"That happened" refers to a past event, while "that occurs" refers to something that happens regularly or generally. For instance, "that happened" indicates something specific in the past, whereas "that occurs" describes a habitual or potential action.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested