What events led to the aquisition of western lands occupied by native americans?

im making a timeline so i need the dates of these evetns

What events led to the aquisition of western lands occupied by native americans?say yes

BEFORE THE MAYFLOWER, COLUMBUS LANDED IN CUBA1492,CORTEZ IN MEXICO AT ABOUT 1518.THE SPREAD OF SICKNESS KILLED MANY %26amp; SPREAD RAPIDLY, AS DID ALCOHOL %26amp;FIREARMS.THE FAIRY TAILED THANKSGIVING WAS MORE LIKE A LAST SUPER, THE INDIANS GOT THE PILGRIMS THROUGH THE WINTER BY SUMMER THE INDIANS WERE SAVAGES THAT DIDN'T DESERVE THERE LAND .BUT TRADING ALCOHOL.%26amp;GUNS=LESS INDIAN POPULATION.13 COLONIES (BRITAIN) vsFRENCH \INDIANS.ETC...U.S. ARMY POLICY 1800'S ONLY GOOD INDIAN IS A DEAD INDIAN.

What events led to the aquisition of western lands occupied by native americans?palace theatre opera theater

The Pilgrims landed at Plymouth Rock in 1620. It was downhill from then for native Americans.
1849 - discovery of gold in the cali foothills.

discovery of gold in the black hills...i don't know the date