Ozone Layer treaty opens for signatures

Ozone Layer treaty opens for signatures

September 16, 2009 04:00:00 am

On September 16, 1987, the Montreal Protocol on Substances that Deplete the Ozone Layer was opened for signature. It has since been signed by almost 200 nations. As a result, the Earth’s Ozone Layer is expected to recover by the year 2050.

THIS DAY @ LAW

US House voted to impeach President Clinton

On December 19, 1998, a divided US House of Representatives voted to impeach President Bill Clinton on charges of lying under oath to a federal grand jury and obstructing justice in the Monica Lewinsky affair.

Read the Articles of Impeachment.

UK signs Hong Kong over to China

On December 19, 1984, the United Kingdom and China signed the Sino-British Joint Declaration, which ceded control of Hong Kong to the government of mainland China in 1997. The treaty also ensured that Hong Kong would retain its capitalist and democratic systems for at least 50 years after the transfer of power.