1923 San Pedro Maritime Strike
{'<entity_0>': '1923 San Pedro Maritime Strike', '<entity_1>': '1923', '<entity_2>': 'strike'}
[['1923 San Pedro Maritime Strike', 'instance of', 'strike'], ['1923 San Pedro Maritime Strike', 'point in time', '1923']]
The <entity_0> (also known as the Liberty Hill <entity_2>) was, at the time, the biggest challenge to the dominance of the open shop culture of Los Angeles, California until the rise of the Congress of Industrial Organizations in the 1930s. The <entity_2> began on <entity_1>, shortly after the Los Angeles County Grand Jury held hearings on violations of the criminal syndicalism act. Then the Wobblies through their newspaper the Industrial Worker made the call for a citywide <entity_2> on <entity_1> (the historic May Day of international socialism). The <entity_1> San Pedro Maritime <entity_2> was the biggest challenge to the dominance of the open shop philosophy that controlled Los Angeles until the 1930s.
['strike']