fireworksVictoria Day is a federal Canadian public holiday celebrated on the last Monday before May 25, in honour of Queen Victoria‘s birthday. The date is also, simultaneously, that on which the current reigning Canadian sovereign‘sofficial birthday is recognized. It is sometimes informally considered as marking the beginning of the summer season in Canada. This holiday weekend may also be known as May Long or May Run and the term Firecracker Day is also used in Ontario.

Fireworks are a big part of celebrating the Victoria Day Weekend.  Explosive pyrotechnicdevices are used for aesthetic purposes to make the fireworks brighter and grander.  Fireworks take many forms to produce the four primary effects: noise, light, smoke and floating materials (confetti for example). They may be designed to burn with flames and sparks of many colors, typically redorangeyellowgreenbluepurple, and silver.  Displays are common throughout the world and are the focal point of many cultural and religious celebrations.

 The earliest documentation of fireworks dates back to 7th century China, where they were invented. The fireworks were used to accompany many festivities. It is a part of the culture of China and had its origin there; eventually it spread to other cultures and societies.  Important events and festivities such as the Chinese New Year and the Mid-Autumn Festival were and still are times when fireworks are guaranteed sights.  China is the largest manufacturer and exporter of fireworks in the world.

Fireworks are generally classified as to where they perform, either as a ground or aerial firework. In the latter case they may provide their own propulsion (skyrocket) or be shot into the air by a mortar (aerial shell). The most common feature offireworks is a paper or pasteboard tube or casing filled with the combustible material, often pyrotechnic stars. A number of these tubes or cases are often combined so as to make, when kindled, a great variety of sparkling shapes, often variously colored. The skyrocket is a common form of firework.

 Improper use of fireworks may be unsafe, both to the person operating them (risks of burns and wounds) and to bystanders; in addition, they may start fires after landing on flammable material. For this reason, the use of fireworks is generally legally restricted. Display fireworks are restricted by law for use byprofessionals; consumer items, available to the public, are smaller versions containing limited amounts of explosive material to reduce potential danger. Fireworks may pose a problem for animals, both domestic and wild, who can be terrified by the noise, leading to them running away or hurting themselves on fences or in other ways in an attempt to escape. With proper desensitizationtraining the number of pets going missing due to fireworks can be reduced.

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