"from that day forth" is correct and usable in written English.
You can use it to indicate a major change in the timeline or to emphasize the start of a new phase of events. Example: From that day forth, the citizens of the country pushed for a referendum to gain their independence.
From that day forth, all the black Dodgers had air-conditioning in St . Louis
The result was that "Captain Sellers did me the honor to profoundly detest me from that day forth".
From that day forth, battles on film have been horribly realistic, with limbs torn off and blood splattered in all directions to remind us that war is indeed hell.
From that day forth, I was given the chance to push myself to the limit, to compete against rowers twice my size, to become the victor, not only over other rowers, but over that once-timid self.
Our own competency dates from the birth of our child; from that day forth we have been able to handle whatever came along, and can instruct any ody in a subject and competently.
Then President Jiang Zemin unveiled an elegant rhetorical solution: from that day forth, he declared, the Chinese Communist Party would do whatever it could to promote the "New Middle-Propertied Stratum".
We are all to be held responsible for every death that occurs from the day forth that we become aware of MTR.
Earlier this week, Xinhua, China's state-run news service, reported that "From this day forth there will no longer be different dance routines for each community, but instead unified national routines".
following my heart from this day forth knowing that I am living truth..
From this day forth, we therefore insist that women's health matters and decisions be left to those of us in possession of vaginas -- in good working order or otherwise -- and real or silicone breasts.
The other thing we'll see is smaller branch networks, unless banks recognize the shift in consumer behavior that is going to drive bank/brand experience from this day forth and start to think out of the box.
