The phrase "a milestone event of" is correct and usable in written English.
It can be used to describe an important or significant occurrence that marks a particular stage or achievement in a process or timeline.
Example: "The launch of the new product was a milestone event of our company's growth strategy."
Alternatives: "a significant event in" or "a landmark occasion of".
More than twenty years ago, in a milestone event of twentieth-century architectural photography, Danuser photographed, at Zumthor's invitation, two buildings: the protective structure built for archaeological excavations in Chur and St. Benedict's Chapel in Sumvitg.
Melanie Gouzinis, from Jersey Post, said: "We have produced beautifully painted stamps which not only feature some of Jersey's most outstanding trees, but which also celebrate a milestone event of one of the island's many important organisations".
The changes have been broadly welcomed by Britain's Royal Yachting Association, whose Olympic manager, Stephen Park, said: "Hyeres is a milestone event for the rejuvenation of the ISAF Sailing World Cup.
In this picture, the formation of an hydrophobic core is a milestone event, while the rest of the protein can reach its native state following different pathways and order of assembling.
Davies said hitting the target was a "a milestone event in the history of corporate Britain, one which, frankly, many found difficult to imagine only four short years ago".
The first plasma, a milestone event signaling the beginning of research capabilities, was captured on camera on Sunday, March 4, at 8 13 p.m. at Jadwin Hall at Princeton University, and marked completion of the four-year construction of the device, the Facility for Laboratory Reconnection Experiment (FLARE).
"It's sort of a milestone event, very similar to generating an integrated circuit of the genome," said Stephen P. A. Fodor, the chief executive of Affymetrix Inc., the leading seller of gene chips, which are also called microarrays.
"It's a milestone event in the human exploration of the solar system,'' says Binzel.
