Commemoration of the 1947 Rebellion in Madagascar
Commemoration of the 1947 Rebellion in Madagascar is held on March 29. This event in the third decade of the month march is annual.
Odisha Day on April 2 (Odisha, India);
Holocaust commemoration day on April 8 (יום השואה - Yom HaShoah - the twenty-seventh of Nissan);
Israel memmorial day on April 13 (Yom Hazikaron; יוֹם הַזִּכָּרוֹן - on the forth of Lyar)