The phrase "activities coincided" is correct and usable in written English.
It can be used to describe situations where two or more activities occur at the same time or overlap in timing.
Example: "The conference and the workshop activities coincided, making it difficult for attendees to participate in both."
Alternatives: "activities overlapped" or "activities occurred simultaneously."
His activities coincided with the Soviet crackdown that followed the 1956 revolution and occurred when he was a student at the Budapest Academy of Film.
These activities coincided with an escalated debate between Shīʿite scholars in Iran and Iraq over the role played by the clergy in interpreting Islamic precepts.
While the variations in soil activities coincided with the changes in bacterial population under chlorothalonil exposure with and/or without BJ1.
The Greek polis is perhaps the first example in Western history of a territorial organisation where the struggle for power and government activities coincided, both subjected to a power of self-determination given to the citizens (every adult male belonging to the demos of the polis).
These activities coincided with what Bird calls "the halcyon days of the 'First English Folksong Revival'".
The density of the immunoreactive bands with anti-Gαq/11 or anti-Gβ1 4 anti-Gβ1 4nd lysoPLD antibodyes coincided well; thus we used frandion 4 for subsequent analysoPLD
The aquatic activities coincide with renewed aspirations for a free trade pact.
Legoland Windsor will be holding a series of Star Wars-themed activities, coinciding with the unveiling of the model of the Death Star made from 500,000 bricks.
In these experiments, solute activities coincide with berthierine.
Our empirical findings (KU Leuven, Belgium) suggest that both activities do not hamper each other; engagement in entrepreneurial activities coincides with increased publication outputs, without affecting the nature of the publications involved.
Analysis of sequence similarities between copies within the families of these bursts demonstrates several waves of transposition activities coinciding with salmonid species divergence.
