Beijing, China - Chinese President Xi Jinping used a speech in Beijing's Great Hall of the People to declare that Taiwan's reunification is inevitable and "cannot be stopped."

During the speech, Xi declared that resolving the question of Taiwan's reunification is an "unwavering historical mission" for Beijing and doubled down on China's view that the island nation is part of its sovereign territory.

Taiwan has not been under the control of mainland China since 1949, when Chiang Kai-shek's Nationalist party, known as the Kuomintag or KMT, lost a civil war against Mao Zedong's Chinese Communist Party and fled across the Taiwan Strait.

While not officially recognized as a country by many nations, including the US, Taipei receives huge amounts of military aid and is seen as a flashpoint for a potential worldwide conflict against China.

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"The tide of history cannot be stopped," Xi declared on Thursday. "The complete reunification of ​the motherland must be realized, and it will certainly be realized."

He explained that Beijing stands firmly behind "peaceful reunification and the policy of 'one country, two systems,'" and is willing to talk with Taipei about finding a solution.

"We will never leave any room for 'Taiwan independence' separatist activities in any form," Xi continued. "We will definitely give full consideration to Taiwan's realities and take full account of the interests and feelings of our compatriots in Taiwan."

Taiwan is staunchly against such a move, especially after a similar system in Hong Kong collapsed only a few short years ago, leading to a huge surge in political repression.

Taiwan's Mainland Affairs Council spokesperson Liang Wen-chieh rejected Xi's claim to the island and said that Taipei could not accept being placed under Chinese control.

"As for the wording on Taiwan unification, it isn't much different from the past," Liang said.