People in the U.S. state of Arizona protest the introduction of state immigration laws with demonstrators being arrested outside the office of Maricopa County sheriff Joe Arpaio.
Arizona reports its first case of the 501.V2 variant, which was originally detected in South Africa.
Sierra Vista, Arizona announces that it will reinstate their mask mandate amid a rise of cases in Cochise County.
U.S. President Donald Trump pardons former sheriff of Maricopa County, Arizona, Joe Arpaio.
Arizona Sheriff Joe Arpaio holds a press conference showing findings from 2 different forensic experts of "9 points of forgery" alleging President Obama's long form birth certificate was forged and also claims to have found the birth certificate used to make the forgery.
Two dozen protesters park their cars in the middle of Shea Boulevard, and block the main road to the Phoenix suburb of Fountain Hills, Arizona, where Donald Trump's campaign rally with former Arizona Governor Jan Brewer, and controversial sheriff Joe Arpaio was held. For hours, traffic was backed up for miles. The road was eventually cleared. Three protesters were arrested and two cars were towed from the boulevard.
U.S. Border Patrol agents apprehend five Pakistani nationals and one Afghan national trying to sneak into Arizona through the Mexico-U.S. border.
A federal land swap in Arizona green lights the US's deepest (1.3 miles) and largest (1.6b tons) copper mine.
The United States Supreme Court rules that Arizona's immigration law is mostly unconstitutional, except for the part that allows for law enforcement officers, in the course of their duties, to ask about an illegal immigrant's legal status if they have actual reasons to believe that the person is an immigrant and is here illegally, especially if they are of relevance to a case.
United States federal judge Susan Bolton issues a ruling blocking Arizona from implementing sections of Arizona SB 1070 requiring police to check a person's immigration status and requiring immigrants to carry their papers at all times.
A court in the U.S. state of Arizona listens to challenges to the state's policy against illegal immigrants.