Church bells and sirens will sound in honour of those killed during the month-long revolt in 1943, which was the largest single act of Jewish resistance against the Germans during World War II.
The unions are demanding an increase in real wages this year after two years of consumer prices rising faster than nominal wages, citing healthy profits in Norwegian industries.
The law allows migrants who are unlikely to win refugee status to stay in Italy for two years, pending renewal as the country faces an influx of refugees.
India and China have not agreed to abide by the price cap, but the West had hoped the threat of sanctions might deter traders from helping those countries buy oil above the cap.