<Table> <Tr> <Td> Part of a series on </Td> </Tr> <Tr> <Th> Organised labour </Th> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> Labour movement (show) <Ul> <Li> Timeline </Li> <Li> <Ul> <Li> New Unionism </Li> <Li> Proletariat </Li> </Ul> </Li> <Li> Social Movement Unionism </Li> <Li> <Ul> <Li> Socialism </Li> <Li> Syndicalism </Li> </Ul> </Li> <Li> Anarcho - syndicalism </Li> </Ul> </Td> </Tr> <Tr> <Td> Labour rights (hide) <Ul> <Li> <Ul> <Li> Child labour </Li> <Li> Eight - hour day </Li> </Ul> </Li> <Li> Five - day work week #Length </Li> <Li> Collective bargaining </Li> <Li> Minimum wage </Li> <Li> Occupational safety and health </Li> </Ul> </Td> </Tr> <Tr> <Td> Trade unions (show) <Ul> <Li> Trade unions by country </Li> <Li> Trade union federations </Li> <Li> International comparisons </Li> <Li> <Ul> <Li> ITUC </Li> <Li> IWA </Li> <Li> WFTU </Li> </Ul> </Li> </Ul> </Td> </Tr> <Tr> <Td> Strike action (show) <Ul> <Li> Chronological list of strikes </Li> <Li> <Ul> <Li> General strike </Li> <Li> Secondary action </Li> </Ul> </Li> <Li> <Ul> <Li> Sitdown strike </Li> <Li> Work - to - rule </Li> </Ul> </Li> </Ul> </Td> </Tr> <Tr> <Td> Labour parties (show) <Ul> <Li> Australian </Li> <Li> British </Li> <Li> Dutch </Li> <Li> Irish </Li> <Li> Israeli </Li> <Li> New Zealand </Li> <Li> Norwegian </Li> </Ul> <Ul> <Li> List of Labour parties </Li> </Ul> </Td> </Tr> <Tr> <Td> Academic disciplines (show) <Ul> <Li> Industrial relations </Li> <Li> Labour economics </Li> <Li> Labour history </Li> <Li> Labour law </Li> </Ul> </Td> </Tr> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> </Table> <Tr> <Td> Part of a series on </Td> </Tr> <Tr> <Th> Organised labour </Th> </Tr>

When did child labor laws come into effect