This timeline of United States government military operations, based in part on reports by the Congressional Research Service, shows the years and places in which U.S. military units participated in armed conflicts or occupation of foreign territories. Items in bold are wars most often considered to be major conflicts by historians and the general public.

Timeline of United States discoveries encompasses the breakthroughs of human thought and knowledge of new scientific findings, phenomena, places, things, and what was previously unknown to exist. From a historical stand point, the timeline below of United States discoveries dates from the 18th century to the current 21st century, which have been achieved by …

History of the United States (1945–1964) History of the United States (1964–1980) Timeline of 1960s counterculture; References. Kutler, Stanley L., ed. Encyclopedia of the United States in the Twentieth Century (4 vol, 1996) Morris, Richard, ed. Encyclopedia of American History (7th ed. 1996) Schlesinger Jr., Arthur M.

1980 – The United States boycotts the Summer Olympics in Moscow to protest the 1979 Soviet invasion of Afghanistan; also announces a grain embargo against the Soviet Union with the support of the European Commission.; 1980 – The Refugee Act is signed into law, reforming United States immigration law and admitted refugees on systematic basis for humanitarian …

The legal history of cannabis in the United States began with state-level prohibition in the early 20th century, with the first major federal limitations occurring in 1937. Starting with Oregon in 1973, individual states began to liberalize cannabis laws through decriminalization.In 1996, California became the first state to legalize medical cannabis, sparking a trend that spread to a …

This timeline was written and compiled by ARL staff. The timeline is a work-in-progress and will be continually updated. The authors would like to thank Stanley Katz, Director, Princeton University Center for Arts and Cultural Policy Studies, for reading and offering valuable advice on this timeline.

January 21, 2020 – The first patient in the United States is diagnosed with coronavirus. January 26, 2020 – Kobe Bryant, along with his daughter Gianna, and 7 others, perish in a helicopter crash. February 5, 2020 – The majority of the United States Senate votes to acquit Donald Trump of charges related to the Trump-Ukraine scandal.

A timeline of United States inventions (after 1991) encompasses the ingenuity and innovative advancements of the United States within a historical context, dating from the Contemporary era to the present day, which have been achieved by inventors who are either native-born or naturalized citizens of the United States. Patent protection secures a person's right to his or …

1900–1999. 1900 – All states now grant married women the right to own property in their own name. 1904 – LDS Church President Joseph F. Smith issues the 1904 "Second Manifesto", which stated that the church was no longer sanctioning plural (polygamous) marriages and would excommunicate anyone who participates in future polygamy.; 1907 – Under the Expatriation …

Dec 21, 2018 · A timeline of U.S. immigration shows how, from the 1600s to today, the United States became a nation of people from hundreds of cultures, languages and beliefs.