July 20

Thursday 20, 1950:

In Belgium, Parliament authorizes king Léopold III to return from exile in Austria.

Wednesday 20, 1898:

Felipe Agoncillo in Hong Kong writes a letter to Apolinario Mabini expressing his apprehension regarding the supposed "alliance" between the Americans and the Filipinos.

Saturday 20, 1872:

The United States Patent Office awards the first patent for wireless telegraphy to Mahlon Loomis.

Sunday 20, 1738:

French explorer Pierre Gaultier de Varennes et de la Vérendrye reaches the western shore of Lake Michigan.

Wednesday 20, 2005:

Canada becomes the fourth country in the world to legalize same-sex marriage, after the bill C-38 received its Royal Assent. See Same-sex marriage in Canada