According to the surveys of researcher Philippe Papin, at the beginning of Công Nguyên, the Southeastern area of modern Hanoi was still under the sea level, thus, it was very difficult to settle down.

Since the middle of the belonging to the North, according to the records of the officials from the mainland China, the area of modern Hưng Yên province was almost swampy.

Therefore, in the middle of the 10th century, a military leader named Lữ Đường relied on this muddy terrain to rule as a feud.

According to An Nam chí lược and Đại Việt sử ký toàn thư, it was in the area of an administrative unit called as Cổ Lãm canton (古揽州, "K'lam châu").

The capital of this locality was located in Vạn Kiếp, where there was a regulation like a military barracks to prevent the entire North and East of Thăng Long.

A low-ranking official named Nguyễn Thiện Thuật relied on this factor to urge his relatives as well as the Sơn Nam people to build a basis to oppose the protect government.

On February 25, 1890, to deal with the uprising movement in the East of Hanoi, Governor-General Jean-Luc de Saint Peauxpa has signed a decision to merge all the Red Riverside rural districts of three provinces Bắc Ninh, Hưng Yên, Hải Dương to form a new administrative unit : Địch Lâm garrison (荻林道, "Địch Lâm đạo").

[2] Accordingly, this domain was organized according to the regulation like a special-military zone, which the head must be a French colonel (quan năm vành vàng, "fifth-level official with golden lines").

[4] On October 24, 2024, the National Assembly Standing Committee of Vietnam issued Resolution 1248/NQ-UBTVQH15 on the arrangement of the commune-level administrative unit of Hưng Yên province in the period of 2023–2025, what has been valid from December 1, 2024.

The territory of Yên Mỹ rural district is part of the Kẻ Sặt Deanery, belonging to the Hải Phòng Diocese (Dioecesis Haiphongensis), where is said to have welcomed the Gospel in 1655.

Ever since it was still belonged to Văn Giang rural district, Yên Mỹ has formed early a rich culture, which was resonated from three large flow : North (Kinh Bắc), East (Hà Tây), South (Sơn Nam Thượng).

[9] Since the Later Lê Dynasty, Yên Mỹ's area has been among the few local priorities to recruit the harem (hậu cung) for the royal family.

[10] Until 2025, there were more than 100 relics, which had historical and cultural significance to Yên Mỹ rural district, ranked from the central to the grassroots level to have conservation regulations.

[22] In the harshest period of Covid-19 pandemic, Yên Mỹ was very prominent in the media because it was the largest safe vegetable (hoa-màu an-toàn) supplier nationwide.

But after the pandemic passed, the District People's Committee began to discuss brand registration for their agricultural products called as "Hoa-Màu Yên-Mỹ" (Yên Mỹ Vegetable).