Trigger to release all other timelines except the one starting now?

Hello,

when I do a trigger (soft and/or startup) to start a timeline, I would like it to release all other timelines as well. How do I do this?

Right now this is done with "timeline started" trigger for each "timeline started" and I have to add all other release timelines one by one to each release. But as the amount of timelines increases, this is getting very cumbersome. 

I hope this does not sound very confusing. Long story short - I want to have only one timeline running at each given moment. 

Thank you all in advance,

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