On the occasion of April 30, this year is also the 50th anniversary of the liberation of the South and the reunification of the country. This day has become more sacred and more emotional when recently, many people discovered an interesting coincidence between April 1975 and April 42025.
According to Duong Lich, all days and dates of April 1975 coincided completely with April 2025. Thus, April 30, 2025 was Wednesday and exactly 50 years ago, April 30, 1975 was the fourth.
This duplicate phenomenon occurs due to the rule of the Gregorian calendar (also known as the calendar) after a certain cycle, depending on the leap year. Therefore, not only April but this year has the calendar of things that match in 1975.
The phenomenon of calendar cycles and calendars after 50 years is quite rare, making April this year even more special.

On social networks, many people are surprised, interested and call this "a return calendar". People are living on the right day with the boiling atmosphere to liberate the country of half a century ago.
Besides the joy and happiness of living in peace, many people feel proud and grateful to the generation of their fathers who fell to gain independence and unity.
On April 30 - 1.5 this year, cadres, civil servants, officials, workers, students and students will be able to take 5 consecutive days off, from Wednesday (April 30) to the end of Sunday (April 4).
On the occasion of the 50th anniversary of the liberation of the South, Hanoi will organize a series of artistic programs in many locations in the city, lasting from April 27 to 7.5. In particular, it is worth noting that the two big nights of Thang Long Music and Dance Theater on the evening of April 29 at Dong Kinh Nghia Thuc Square and the evening of 4.5 in the area of Ba Kieu temple.

Ho Chi Minh City will organize 7 fireworks points in Thu Duc City and 5 districts. The official celebration took place on the morning of April 30 at Le Duan route (District 1) and the central areas of Ho Chi Minh City, by the Party Central Committee, the National Assembly, the President, the Government, the Central Committee of the Vietnam Fatherland Front and Ho Chi Minh City.
The highlight of the celebration is the monumental parade and parade of more than 13,000 people, the shooting 21 series of cannons on the nationality of the Socialist Republic of Vietnam, the welcome flight of the Air Force and the parade of the 50 -year symbolic model of the country.
In addition, the Ho Chi Minh City People's Committee plans to organize many meaningful, monumental, practical, meaningful activities and towards the people such as the photo exhibition "proud of a border strip" from April 27, performing trumpet music combined with technical performance on horse on April 30 ...