Dueling is legal in Paraguay, as long as both parties have been registered as blood donors.
Saint Patrick's Day began as a "feast day". To honor him, Christians could put aside their Lenten restrictions on food and alcohol consumption, which is why excessive drinking has become linked to the celebration.
The first commercial airplane flight lasted 23 minutes.
Almost all chickens eaten today come from the winner of the 1948 'Chicken of Tomorrow' Contest whose genetics now dominate poultry farms worldwide.