(Image: https://banthodongtam.vn/wp-content/uploads/2024/03/hoa-don-mau-hong-dai-dien-cho-tinh-mau-tu-nen-thuong-duoc-dang-cung-cha-me-ong-ba.png)– Answer– It is now the 21st century.. A bangcacloai.com (Bangcacloai post to a company blog) century is 100 years.. So you can guess it was 200 years ago..