1673 – Regular mail service begins between NY & Boston.
1721 – General Washington raises Continental Union Flag
1797 – Albany replaces New York City as capital of New York.
1818 – Official reopening of the White House.
1842 – 1st illustrated weekly magazine in US publishes 1st issue, NYC.
1862 1st US income tax (3% of incomes > $600, 5% of incomes > $10,000)
1863 – Emancipation Proclamation issued by Abraham Lincoln to free slaves in US confederate states.
1886 – 1st Tournament of Roses (Pasadena, California)
1908 – 1st time, ball signifying new year dropped at Times Squares.
1913 – US Post Office begins parcel post service.
1928 – 1st US air-conditioned office building opens, San Antonio.
1948 – 1st color newsreel filmed (Pasadena, California)
1971 – Cigarette advertisements banned on TV.
1976 – Liberty Bell moves to new home behind Independence Hall.
1984 – AT&T’s 22 owned Bell system companies divests into 8 companies.
1985 – The Internet’s Domain Name System is created.
1990 – David Dinkins sworn in as 1st African American mayor of New York City.
1998 – All California bars, clubs & card rooms must be smoke-free.
1998 – US Census Bureau estimates population at 268,921,733.
2008 – A New Hampshire law legalizing civil unions for same-sex couples comes into effect.
2016 – After floods along the Mississippi River kills 31, Exxon Mobil Corp decides to close a plant in flood threatened Memphis.