George Zimmerman fatally shoots 17-year-old Trayvon Martin in Sanford, Florida.

Zimmerman called 911 to report a suspicious person but ignored instructions not to approach and opened fire.

Martin's father files a missing person report after his son fails to return from the store.

Police show him a crime scene photo, and he identifies the deceased as his missing son.

Sanford police chief states Zimmerman has not been charged, citing no reason to doubt his account of events.

Sanford police homicide detective announces Zimmerman is charged with manslaughter.

Zimmerman's father defends him, claiming he is not racist and was raised in a multicultural home.

911 call from the night of the shooting is released.

Zimmerman is heard ignoring the operator's advice.

A voice shouts "Help! Help!" before a gunshot is heard.

The Justice Department and FBI launch an investigation into Trayvon Martin's death.

Sanford's Chief of Police temporarily steps down amid criticism of his handling of the shooting.

Martin’s parents create a petition for Zimmerman’s arrest, garnering over 1.3 million signatures.

Rallies are held nationwide one month after Martin's death, including in Sanford, Florida.

Sanford City Commission hosts a town hall meeting, inviting Martin’s parents to speak.

Zimmerman’s father appears on television, alleging that Martin threatened to kill him and assaulted him so severely that he had no choice but to shoot.

Zimmerman is charged with second-degree murder and turns himself in.

Zimmerman's bond hearing is held, during which he apologizes to the Martin family for their loss. However, he and his wife lie about their finances, leading to her later being charged with perjury and his bond being increased from $150,000 to $1 million. Shortly after, he posts the $150,000 bail, released from prison, and enters a not guilty plea.

Zimmerman appears on Fox News stating he would not do anything differently.

The jury in Zimmerman’s murder trial found him not guilty, leading to his acquittal.

Later that year, Alicia Garza, Patrisse Cullors, and Opal Tometi founded the Black-centered political movement-building project, #BlackLivesMatter.

Floyd was arrested after a shop clerk reported him for using a counterfeit bill.

Police Officer Derek Chauvin was recorded arresting and restraining Floyd. The video shows Chauvin kneeling on Floyd's neck for 9 minutes, during which Floyd repeatedly says he cannot breathe.

Floyd ultimately dies in police custody.

The video of Floyd's arrest is widely shared on social media, prompting nationwide outrage.

The four officers involved in the arrest are fired.

Protests erupt in Minneapolis and across the USA, marking the start of widespread demonstrations.

Protests erupt across the USA in honor of George Floyd and other Black victims of police brutality.

In Memphis, people protest for George Floyd; in Louisville, for Breonna Taylor; in Brunswick, for Ahmaud Arbery; and in Los Angeles.

Amid the rising protests, six people are killed in Chicago and one in St. Louis.

The Minnesota governor activates the National Guard as protests escalate, with fires and vandalism breaking out.

A federal investigation into Floyd's death is designated a top priority for the Justice Department.

Chauvin was arrested and charged with third-degree murder and second-degree manslaughter for Floyds' death.

Protests erupt in New York and Atlanta.

In Detroit, a 19-year-old man is killed when someone opens fire on protesters, and a 21-year-old man is fatally shot in his car during protests. In Oakland, a federal officer is fatally shot.

The Minneapolis Mayor declares on Twitter that peaceful protests have escalated into domestic terrorism.

Local volunteers come together to clean up businesses destroyed during four days of protests.

An 8 p.m Curfew is enforced.

In Indianapolis, police opened fire on protesters, killing one and injuring three.

Peaceful demonstrations continue across the USA.

Two Atlanta officers are fired for using excessive force on college students.

In Minneapolis, 200 protesters are arrested, and a man driving a tanker truck into a crowd is taken into custody.

Floyds’ brother visits the place where his brother died and pleads for the violence to stop and for protests to be done in peace.

Two autopsies rule Floyds’ death as a homicide.

President Trump threatens to deploy the military in cities where mayors and governors failed to control violence.

Protesters march and gather where Floyd died, wearing 'We can’t breathe' T-shirts.

The other three officers involved in Floyds’ arrest are charged with aiding and abetting the killing for failing to intervene.

A charge of second-degree murder is added to Chauvins’ charges.

Floyds’ funeral takes place.

Minneapolis bans chokeholds by police, marking the first of many changes to how the department is run.

Minneapolis Police Department overhauls its use-of-force policy.

Majority of the Minneapolis City Council says they support the dismantling of the police department

Floyd family receive a $27 million settlement from the city of Minneapolis

Chauvin was convicted on murder and manslaughter charges. He is later sentenced to 22 and a half years in prison.

Minneapolis voters reject proposal to replace the police dept with a Department of Public Safety.

Chauvin pleads guilty to a federal charge of violating Floyds' Civil Rights.