Changes

Interestingly, sports began to play national songs at around 1905, with Wales perhaps being the first country, although not fully independent, to play a national anthem at a rugby game. The Olympics then adopted this idea in 1920, with the US adopting . The United States expanded this idea by playing national anthems at sporting events and other occasions during World War II. Military anthems became increasingly common since the 19th centuryThis practice stuck, but as countries adopted national anthems and most sporting events in the 19th and 20th centuries, soon many of these anthems began to merge. It became increasingly common, therefore, to play national anthems at national events or military and remembrance celebrationsUnited States still start with the Star-Spangled Banner.

Military anthems became increasingly common since the 19th century, but as countries adopted national anthems in the 19th and 20th centuries, soon, many of these anthems began to merge. It became increasingly common, therefore, to play national anthems at national events or military and remembrance celebrations.  Many countries have broadened when the national anthem is played. Some, such as Tanzania, play it during the beginning of as a school day for children. Countries such as Colombia play the national anthem at specific times, such as between 6 AM and 6 PM and on the radio or TV channels. Dictatorships often change the national anthem, where different anthems often are associated with a regime rather than a country.  In some contexts, such as Taiwan in the Olympics, anthems can be controversial, as those countries are not recognized by all member states.<ref>For more on how national anthems evolved as to how they were played or displayed, see: Waterman S (2020) National Anthems and National Symbolism: Singing the Nation. <i> Handbook of the Changing World Language Map</i>. ppp. 603-2618. Springer. </ref>