WE ARE BLESSED BY VERY UNIQUE DATE IN THIS YEAR. FOR MOSCOW (RUSSIA) IT WILL BE ON 30TH OF APRIL.
Special site dedicated to the event - http://sriramanuja1000.org/
You can see news regarding the event here - https://iskconnews.org/iskcon-serves-alongside-sri-vaishnavas-to-celebrate-ramanujacharyas-1000th-appearance-day,6117/
And date for you region here - http://www.drikpanchang.com/hindu-saints/ramanuja/ramanuja-jayanti.html