Triangle Shirtwaist Company fire, March 25, 1911, New York, New York.
Good source material at Cornell's site.
Important because it changed the way New York, and then the rest of the country, viewed labor. Ushered in a whole slew of laws relating to fire safety measures and conditions in factories.
146 died:
Adler, Lizzie, 24
Altman, Anna, 16
Ardito, Annina, 25
Bassino, Rose, 31
Benanti, Vincenza, 22
Berger, Yetta, 18
Bernstein, Essie, 19
Bernstein, Jacob, 38
Bernstein, Morris, 19
Bierman, Gussie, 22
Billota, Vincenza, 16
Binowitz, Abraham, 30
Brenman, Rosie, 23
Brenman, Sarah, 17
Brodsky, Ida, 15
Brodsky, Sarah, 21
Brooks, Ada, 18
Brunetti, Laura, 17
Cammarata, Josephine, 17
Caputo, Francesca, 17
Carlisi, Josephine, 31
Caruso, Albina, 20
Ciminello, Annie, 36
Cirrito, Rosina, 18
Cohen, Anna, 25
Colletti, Annie, 30
Cooper, Sarah, 16
Cordiano , Michelina, 25
Dashefsky, Bessie, 25
Del Castillo, Josie, 21
Dockman, Clara, 19
Donick, Kalman, 24
Eisenberg, Celia, 17
Evans, Dora, 18
Feibisch, Rebecca, 20
Fichtenholtz, Yetta, 18
Fitze, Daisy Lopez, 26
Floresta, Mary, 26
Florin, Max, 23
Franco, Jenne, 16
Friedman, Rose, 18
Gerjuoy, Diana, 18
Gerstein, Molly, 17
Giannattasio, Catherine, 22
Gitlin, Celia, 17
Goldstein, Esther, 20
Goldstein, Lena, 22
Goldstein, Mary, 18
Goldstein, Yetta, 20
Grasso, Rosie, 16
Greb, Bertha, 25
Grossman, Rachel, 18
Herman, Mary, 40
Hochfeld, Esther, 21
Hollander, Fannie, 18
Horowitz, Pauline, 19
Jukofsky, Ida, 19
Kanowitz, Ida, 18
Kaplan, Tessie, 18
Kessler, Beckie, 19
Klein, Jacob, 23
Koppelman, Beckie, 16
Kula, Bertha, 19
Kupferschmidt, Tillie, 16
Kurtz, Benjamin, 19
L’Abbate, Annie, 16
Lansner, Fannie, 21
Lauletti, Maria Giuseppa, 33
Lederman, Jennie, 21
Lehrer, Max, 18
Lehrer, Sam, 19
Leone, Kate, 14
Leventhal, Mary, 22
Levin, Jennie, 19
Levine, Pauline, 19
Liebowitz, Nettie, 23
Liermark, Rose, 19
Maiale, Bettina, 18
Maiale, Frances, 21
Maltese, Catherine, 39
Maltese, Lucia, 20
Maltese, Rosaria, 14
Manaria, Maria, 27
Mankofsky, Rose, 22
Mehl, Rose, 15
Meyers, Yetta, 19
Midolo, Gaetana, 16
Miller, Annie, 16
Neubauer, Beckie, 19
Nicholas, Annie, 18
Nicolosi, Michelina, 21
Nussbaum, Sadie, 18
Oberstein, Julia, 19
Oringer, Rose, 19
Ostrovsky , Beckie, 20
Pack, Annie, 18
Panno, Provindenza, 43
Pasqualicchio, Antonietta, 16
Pearl, Ida, 20
Pildescu, Jennie, 18
Pinelli, Vincenza, 30
Prato, Emilia, 21
Prestifilippo, Concetta, 22
Reines, Beckie, 18
Rosen (Loeb), Louis, 33
Rosen, Fannie, 21
Rosen, Israel, 17
Rosen, Julia, 35
Rosenbaum, Yetta, 22
Rosenberg, Jennie, 21
Rosenfeld, Gussie, 22
Rosenthal, Nettie, 21
Rothstein, Emma, 22
Rotner, Theodore, 22
Sabasowitz, Sarah, 17
Salemi, Santina, 24
Saracino, Sarafina, 25
Saracino, Teresina, 20
Schiffman, Gussie, 18
Schmidt, Theresa, 32
Schneider, Ethel, 20
Schochet, Violet, 21
Schpunt, Golda, 19
Schwartz, Margaret, 24
Seltzer, Jacob, 33
Shapiro, Rosie, 17
Sklover, Ben, 25
Sorkin, Rose, 18
Starr, Annie, 30
Stein, Jennie, 18
Stellino, Jennie, 16
Stiglitz, Jennie, 22
Taback, Sam, 20
Terranova, Clotilde, 22
Tortorelli, Isabella, 17
Utal, Meyer, 23
Uzzo, Catherine, 22
Velakofsky, Frieda, 20
Viviano, Bessie, 15
Weiner, Rosie, 20
Weintraub, Sarah, 17
Weisner, Tessie, 21
Welfowitz, Dora, 21
Wendorff, Bertha, 18
Wilson, Joseph, 22
Wisotsky, Sonia, 17