The phrase "a heyday of" is correct and usable in written English.
It is typically used to describe a period of great success, popularity, or achievement in a particular field or context.
Example: "The 1990s were a heyday of technological innovation, with the rise of the internet and personal computing."
Alternatives: "a golden age of" or "a peak period of".
But, surely, our occasional attempts to memorize a poem would feel familiar to them — those inhabitants of a heyday of verse memorization.
His relative neglect, a decline from a heyday of gilt-edged uniform editions and soul-stirring fireside perusal, he would have regarded philosophically.
But, surely, our occasional attempts to memorize a poem would feel familiar to them those inhabitants of a heyday of verse memorization.
Catoctin was part of a heyday of Maryland wine in the '80s, along with wineries such as Montbray, Byrd, Boordy and Basignani.
"I don't think there was a heyday of it in the 60s and 70s; I think it's remained fairly static throughout.
The bodies date from the Fort Ancient people of the 1600's and earlier, a heyday of river trading tribes, before European settlers overtook them.
The representations and architecture of these palaces andthe communicative symbols of a heyday era of Bali are raising questions as to how they can be accommodated within the over-arching tourism development and globalization of culture that Bali is experiencing.
The late 1950s and 60s saw something of a heyday for working‑class fiction.
The new millennium has clearly become something of a heyday for geeks.
Still, Union Jacks fluttered, vuvuzelas buzzed like bees and victory recalled a sepia heyday of women's soccer in the United Kingdom.
An oil industry that at one stage inspired talk of Scotland as "the Kuwait of the West" has already outlived most predictions, having enjoyed a hydrocarbon heyday of almost five decades.
