Quá trình hình thành chủ trương chiến lược Chiến dịch Điện Biên Phủ
Ngày 13/3/1954, sau khi chuẩn bị kỹ lưỡng về mọi mặt, quân ta nổ súng tiến công, chính thức mở màn Chiến dịch lịch sử Điện Biên Phủ.
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iULhu7fhuqbGoU/GoMahQOG6rOG6tuG6usah4bu04bqsxILhurrGoeG6teG6psOUw7PDtS9Mw7TDtUzGoeG7t8OJdU9P4buL4buXTOG6p+G6vMOSTuG7t8OB4buXw7Thuq3huqbDgeG6vMah4bqt4bqt4buH4bq/MsO1L0zDtA==