把下面这篇文章翻译成英文。


这是一篇关于中华人民共和国建国70周年庆典的文章。
今年是中华人民共和国成立70周年，全国各地将举行盛大的庆祝活动，为祖国献礼。在这70年的历程中，中国经历了从站起来、富起来到强起来的巨大变化，成为世界第二大经济体、科技强国和贡献最大的维和国家。庆典的主题是“不忘初心，牢记使命”，旨在号召全国人民继续加强团结，不忘国家历史，为中华民族伟大复兴而奋斗。
This is an article about the 70th anniversary celebration of the founding of the People's Republic of China. This year marks the 70th anniversary of the founding of the People's Republic of China, and grand celebrations will be held throughout the country to offer gifts to the motherland. Over the past 70 years, China has undergone tremendous changes from "standing up and becoming prosperous" to "growing strong," becoming the world's second-largest economy, a technological power, and the largest contributor to peacekeeping forces. The theme of the celebration is "never forget why we started, and remember our mission," aimed at calling on the entire Chinese people to further strengthen unity, never forget the country's history, and work hard for the great rejuvenation of the Chinese nation.