On this day, 51 years ago, on April 23, 1974 (April 2, 1974 in the lunar calendar), the "Lieutenant Movement" in Portugal launched the "Red Revolution." The people of Lisbon cheered their liberators. On April 23, 1974, a group of middle and lower-level officers in Portugal launched a military coup, overthrowing the far-right regime that had ruled in Portugal for more than 40 years and establishing a "multi-party democracy." People call it the "Red Revolution".