watershed

Myers’s case turned out to be a watershed event for aircrew in the U.S., recognized as the first time a court has ruled that fume exposure caused a plaintiff’s long-term health conditions.

"It was a watershed in my life because it made me realise there was a world outside Byres Road," he once said, referring to the street at the heart of the city's West End.

"This was a systemic failure that demands real accountability and must serve as a watershed moment to end the cruel practice of keeping elephants and other social animals isolated in our zoos for good."

For the Beatles and the world, “Rubber Soul” marked a watershed moment — an unmistakable harbinger for innovative and even more provocative works of musical art.

Computer animation’s watershed moment for feature films happened just 30 years ago with the debut of Pixar’s “Toy Story.”