Oral sex was illegal in Singapur until 2007

In Britain, it is illegal to import potatoes into England or Wales if you have reasonable cause to believe that they are Polish.

• Washington signed into law the first copyright law.
• On May 31, 1790, President Washington signed the Copyright Act of 1790 into law. 
• The Copyright Act of 1790 was the first federal copyright act to be instituted in the United States, though most of the states had passed various legislation securing copyrights in the years immediately following the Revolutionary War.
• The stated object of the act was the "encouragement of learning," and it achieved this by securing authors the "sole right and liberty of printing, reprinting, publishing and vending" the copies of their "maps, charts, and books" for a term of 14 years, with the right to renew for one additional 14 year term should the copyright holder still be alive.

It is illegal for a man to kiss his wife on Sunday in COLORADO and Hartford, Connecticut.

It is unlawful to walk backwards after sunset in CONNECTICUT

In Britain you are not allowed to let your pet mate with any pet form the royal house.

In Utah you can marry your cousin, but only if you are both over the age of 65. Because, you know, when you turn 65 you’re known to have impeccable judgment.

In Oregon, talking dirty while having sex is illegal. Even though they don’t really specify what qualifies as dirty talk.

In North Carolina couples must have sex in the missionary position and with the curtains pulled.

In Vermont, a wife needs the husband’s permission to wear false teeth.

In Virginia, it is illegal for a man to kick a woman out of bed.

It is apparently illegal in Massachusetts for a man and a woman who rent a room for the night to sleep in the nude.

In Massachusetts it is deemed illegal for a woman to be on top during sex.

In Iowa, it is illegal for a man with a moustache to kiss a woman in public.

In Arizona, having more than two vibrators/dildos in your home is illegal. If you own more than two in your house, you can be subject to criminal possession.

• In Montana, “proxy weddings” are allowed for those serving in the military, which means a friend can pretend to be the groom or the bride and the union will still be considered valid. In some cases both the bride and the groom are absent.
• Montana is the only state that allows double-proxy marriage. That means neither the bride nor the groom is required to attend the ceremony in person!

In Arkansas there still exists a law that was instated in the 1800s that states a husband is allowed to beat his wife, but only once a month.

In Thailand it is illegal to step on money.

The only two states where divorce is illegal are the Philippines and The Vatican.

In Greece, police are allowed to arrest anyone suspected of having HIV. Police are also allowed to force HIV testing, to publicize the names of HIV-positive people and to have them evicted from their homes.