Question: When did the state that hosted the 1904 Summer Olympics become an open carry state?

<P0-S0> Subject / Law Long Guns Handguns Relevant Statutes Notes Permit to purchase required? <P0-S1> No No Firearm registration? <P0-S2> No No Carry permits required? <P0-S3> No No Missouri is a ``shall issue ''state for concealed carry. <P0-S4> Permitless carry took effect on January 1, 2017. <P0-S5> State preemption of local restrictions? <P0-S6> Yes Yes Local governments are allowed to regulate open carry and the discharge of firearms (except in self defense); however, ccw permit holders are exempt from ordinances banning open carry. <P0-S7> No No Magazine Capacity Restriction? <P0-S8> No No Peaceable journey law? <P0-S9> As of October 11, 2014, a valid CCW overrides local laws against Open Carry, state wide. <P0-S10> Yes Yes Background checks required for private sales? <P0-S11> No No <SEP> <P1-S0> afterwards, nine bands and 150 choir singers performed an olympic hymn, composed by spyridon samaras, with words by poet kostis palamas. <P1-S1> thereafter, a variety of musical offerings provided the backgrounds to the opening ceremonies until 1960, since which time the samaras/palamas composition has become the official olympic anthem (decision taken by the ioc session in 1958). <P1-S2> other elements of current olympic opening ceremonies were initiated later: the olympic flame was first lit in 1928, the first athletes' oath was sworn at the 1920 summer olympics, and the first officials' oath was taken at the 1972 olympic games. <SEP> <P2-S0> The city had an estimated 2016 population of 311,404, and is the cultural and economic center of the Greater St. Louis area (home to 2,916,447 people), making it the largest metropolitan area in Missouri and the 19th - largest in the United States. <P2-S1> St. Louis (/ seɪnt ˈluːɪs /) is an independent city and major U.S. port in the state of Missouri, built along the western bank of the Mississippi River, on the border with Illinois. <SEP> <P3-S0> great britain or team gb is the team that sends athletes from the united kingdom (uk), all but three of its overseas territories, and the three crown dependencies, to the olympic games. <P3-S1> it has sent athletes to every summer and winter games, along with france and switzerland, since the start of the olympics' modern era in 1896, including the 1980 summer olympics and 1984 summer olympics, which were boycotted by a number of other nations on each occasion. <P3-S2> from 1896 to 2016 inclusive, great britain has won 847 medals at the summer olympic games, and another 31 at the winter olympic games. <P3-S3> it is the only national team to have won at least one gold medal at every summer games, and lies third globally in the winning of both gold medals and total medals, surpassed only by the united states and the former soviet union. <SEP> <P4-S0> He competed for the United States in the 1904 Summer Olympics held in St Louis, United States in the 800 metres where he won the silver medal and in the 1500 metres event where he finished seventh. <P4-S1> He also competed for the New York Athletic Club team in the 4 mile team race against Chicago AA with teammates Arthur Newton, George Underwood, Paul Pilgrim and David Munson. <P4-S2> They won the race and the gold medal.