On This Day: April 22nd

At least 26 people are killed in a terrorist attack on a group of tourists in Pahalgam, Jammu and Kashmir. The Resistance Front (TRF), an offshoot of the Pakistan-based militant group Lashkar-e-Taiba claimed responsibility for the attack.

Four police officers are killed after being struck by a truck on the Eastern Freeway in Melbourne while speaking to a speeding driver, marking the largest loss of police lives in Victoria Police history.

The Paris Agreement is signed, an agreement to help fight global warming.

Japan's Prime Minister Junichiro Koizumi apologizes for Japan's war record.

Eighteen-year-old Stephen Lawrence is murdered in a racially motivated attack while waiting for a bus in Well Hall, Eltham.

A series of gas explosions rip through the streets in Guadalajara, Mexico, killing 206.

Optical fiber is first used to carry live telephone traffic.

Pan Am Flight 812 crashes on approach to Ngurah Rai International Airport in Denpasar, Bali, Indonesia, killing all 107 people on board.

The first Earth Day is celebrated.

Chicano residents in San Diego, California occupy a site under the Coronado Bridge, leading to the creation of Chicano Park.