Today in History: AIDS was officially reported for the first time, Robert F. Kennedy was assassinated

The following are some of the major events to have occurred on June 5:

1873 - Sultan Bargash bin Said under British pressure closes the infamous slave market of Zanzibar in modern day Tanzania.

1947 - US Secretary of State George Marshall outlines the "Marshall Plan" to rebuild Western Europe.

1963 - State of siege proclaimed in Iran, Ayatollah Khomeini arrested.

1967 - Six-Day War begins between Israel and the neighboring Arab states of Egypt, Jordan and Syria. Israel amid rising tensions with Egypt, Syria, and Jordan—staged a preemptive air assault and soundly defeated those Arab countries, notably seizing the Old City of Jerusalem and the Gaza Strip before a cease-fire.

1968 - Robert F. Kennedy was fatally shot by Sirhan Sirhan, from Palestinian at the Ambassador Hotel in Los Angeles, in Los Angeles, California while running for U.S. president; he died the following day.

1981 - AIDS was officially reported for the first time, following the detection of a rare form of pneumonia in five homosexual men in Los Angeles. 

1981 - World's first today in history program with editable data "TODAY", invented by Michael Butler runs for the first time on a mainframe computer.

1984 - Indira Gandhi orders an attack on Sikh's holiest site, the Golden Temple in Amritsar.

2004 - American politician Ronald Reagan—who, as the 40th president of the United States (1981–89), became known for his conservative Republicanism, his fervent anticommunism, and his appealing personal style—died at age 93.