The phrase "announcement of each" is correct and usable in written English.
It can be used when referring to the individual announcements made regarding specific items, events, or topics.
Example: "The announcement of each participant's results will be made at the end of the competition."
Alternatives: "notification of each" or "declaration of each".
It's become so popular, in fact, that the announcement of each year's lineup is now an event in its own right.
The N.F.L. draft is broadcast live on television for hours, and excitement, such as it is, lags between the announcement of each pick.
Notes: This figure shows the distribution of the number of quarters elapsed between the announcement of each tax change and its implementation, i.e. the implementation lag.
With the announcement of each cabinet member's agenda, we are somehow brought back to the stage of Denial; can Micheal Flyn really be the National Security advisor?
Every proclamation (such as the announcement of each country during the parade of nations in the opening ceremony) is spoken in these three (or more) languages, or the main two depending on whether the host country is an English or French speaking country.
Announcements of each death usually lead news broadcasts.
Through much of the Mexico-Croatia match, the only cheers that rang out were in reaction to announcements of each Brazil goal at another stadium.
A recent first prizewinner has expressed misgivings about my printing the full address of such winners in the announcement of results each month, given the general concern these days about freedom of information, etc.
Leading up to the announcement of winners, each entrant blogged or tweeted about their application process.
And at each announcement of a demise, thousands of owners have suddenly found themselves driving cars acknowledged as failures and virtually certain to lose a fair percentage of their resale value.
We were treated to a maze of tender fussy attentions suitable for very old ladies: chocolate-scented milk at 8 30; a lounging and snoozing bed-spread after meals, each announcement of an appointment gently repeated at ten-minute intervals, an old crone waiting on table barking like television turned on full to pierce through deafness.
