China lifted martial law.
The law was imposed after the death of 10,000 protesters at the Tiananmen Square massacre.
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Oregon became the first US state to pass a minimum wage law.
President Richard Nixon signed the US Endangered Species Act into law.
The parliament of England passed the first Act of Supremacy, granting the monarch complete control of the Church of England.
The Indian Appropriations Act added the sell or starve clause.
The 11th Amendment to the United States Constitution was ratified.