According to a local folklore written in the book " Ngọc phả cổ lục ", 7th of the third month of the lunar calendar is the day “the King pass away" also known as the day of the death of King An Duong Vuong. The preparation of all kinds of offerings and distribution to dignitaries and people on the King's death anniversary is clearly and strictly regulated in the book "Traditions of Cổ Loa Commune, Đông Anh District, Cổ Loa Canton, Phúc Yên Province" as follows:

According to the old custom, on the 7th of March, the offerings in the upper altar were a vegetarian meal, in the lower altar there was black pork with black buffalo meat, sticky rice, wine, banh chung, floating cakes, and banning singing.

On March 7, the commune bought 2 pigs for the ceremony in 2 places, the main hall has betel nut and flowers, 2 pigs each about 30”quan” (The ancient Vietnamese currency unit), 10 bottles of wine, 100 areca berries, 200 pieces of dried areca, 6 sets of sticky rice. Money for the ceremony is taken from "2 mẫu 1 sào" (equal to 7560 m2, “mẫu, sào” are the old units of measurement) of the sacrificial field, each “mẫu” is 50 “quan”. The preparation of the ceremony is based on the regulations. Those fields are located in the land of Đàm Cự.

On March 7th, 13 villages offer a ceremony including 1 set of sticky rice, 100 green bananas, 12 pieces of betel nut, 1 bottle of wine, and 100 votive papers. After the sacrifice, the commune only collects betel nut and other gifts. about receiving favors (benefits). After the sacrifice, the commune only collects betel nut and isca, while the rest is distributed to the villages.

On March 7th, the elders offered sacrifices.

After the ceremony on March 7th, treat people in 13 villages with 1 pig, divided equally into 6 parts, 2 pork legs and meat divided equally into 13 portions. Now according to the number of people, the plural gets more, the few get less. The rules are made for everyone to follow.

After the ceremony on March 7th, treats Tư Văn Thần Huệ with 1 set of sticky rice, 1 pig, divided into 10 portions and given 5 portions, 10 areca nut, 20 pieces of dried areca, and drinking wine were equally divided as a worker.

After the ceremony on March 7th, treats the elder to 1 pig's leg, divided into 3, give 1 part, 1 set of sticky rice divided into 10 parts, given 5 portions, 3 areca nut or 12 pieces of dried areca.

After the ceremony on March 7th, gives 3 postmen 1 pig leg or 1 piece of chicken or 1 piece of buffalo meat, 1 plate of sticky rice, 3 areca nut or 3 pieces of dried areca.

After the ceremony on March 7th, give Thủ Chỉ Điển Văn, 1 piece of buffalo or 1 piece of pork, 1 plate of sticky rice, 3 areca nut or 3 pieces of dried areca.

After the ceremony on March 7th, give the small officials 1 piece of buffalo meat or pork, 3 areca berries, and 3 pieces of dried areca, if they come to worship they will come, if not, they will.

After the ceremony on March 7th, give Cựu Mục 1 pound of pork or buffalo meat, 1 thigh, 1 set of sticky rice, equally divided into 10 portions, give 5 portions, 10 areca nut, 10 pieces of dried areca.

After the ceremony on March 7th, give Chánh Tổng a pig's leg, 1 piece of buffalo, 1 set of sticky rice, 3 areca nut, 3 pieces of dried areca.

After the ceremony on March 7th, give Chánh phó Lý Trưởng and Tri Thu (Treasurer) 1 pork leg, 3 areca berries, 6 pieces of dried areca, or 1 piece of buffalo meat, and 1 plate of sticky rice.

After the March 7th ceremony, give Dịch Mục 1 piece of buffalo meat or pork about 200g, 1 plate of sticky rice, 1 areca nut, and 1 piece of dried areca.

Submitted on the 6th day of February in the 6th year of Khải Định (1921).

Follow the command to copy is:

Tiên chỉ Nguyễn Văn Trà signed.

Thứ chỉ Nguyễn Văn Sĩ signed.

Kỳ mục Hoàng Văn Ổn signed.

Hoàng Văn Ngai signed.

Đỗ Văn Quế signed.

Phó lý:

Tương Quang Ất signed.

Lãi Duy Tử signed.

Follow orders to execute.

Lý trưởng Lê Duy Qúy.

Today, on the 7th day of the third month (lunar calendar) every year, the Thăng Long - Hanoi Heritage Conservation Center, the Management Department of Cổ Loa site coordinate with the local government to maintain the memorial ceremony for King An Dương Vương at Thượng Temple. However, the preparation of gifts was carefully, thoughtfully and solemnly prepared before the king's death anniversary, but the distribution of the gifts was no longer according to the ancient custom.

Temple space for King An Duong Vuong

Prepare offerings at the altar to worship King An Dương Vương

MANAGEMENT DEPARTMENT OF THE CỔ LOA VESTIGE SITE