| December 28, 1922 | Michael A. Lazaro born to Mr. & Mrs. Anton Lazaro in Chicago, Illinois. |
| September 1, 1939 | Germany attacks Poland beginning World War II. |
| December 7, 1941 | Japan attacks the United States at Pearl Harbor. |
| January 22, 1943 | Michael receives notice of induction into the armed forces. |
| February 5, 1943 | Michael inducted into the U. S. Marine Corps Reserve with service number 801445. |
| February 8, 1943 | Michael joins the 1st Recruit Bn. at MCRD, San Diego, CA. |
| April 1, 1943 | Michael qualifies with the rifle as a marksman by shooting a 289. |
| April 7, 1943 | Michael qualified with the bayonet with a score of 58. |
| April 10, 1943 | Michael graduates from Platoon 135 and joins Casual Company at MCRD. |
| April 24, 1943 | Michael joins Co. E, Infantry Training Bn., Training Center at Camp Elliott, CA. |
| June 19, 1943 | Michael is absent without leave from Training Center. Goes home to Chicago for visit. |
| July 16, 1943 | Michael returns on his own to Training Center. |
| August 2, 1943 | Michael joins Casual Company at U. S. Naval Hospital MCRD hospitalized with appendicitis. |
| August 21, 1943 | Michael re-joins Co. E, Infantry Training Bn., Training Center at Camp Elliott, CA. |
| September 7, 1943 | Michael tried by Summary Court Martial for being AWOL. |
| September 16, 1943 | Summary Court Martial approved but punishment is unknown. |
| September 25, 1943 | Michael joins the 27th Replacement Bn. Fleet Marine Force. |
| October 23, 1943 | Michael departs aboard SS Mormachawk from San Diego, CA. for the Pacific. |
| November 10, 1943 | Michael arrives at Noumea, New Caledonia and disembarks ship the next day. |
| November 26, 1943 | Michael embarks aboard USAT Maui and commences sailing on Nov. 28, 1943. |
| December 4, 1943 | Michael arrives at Goodenough Island and joins Company C, 1st Bn,, 7th Marines, 1st Marine Division. |
| December 5, 1943 | Michael experiences Japanese aerial attack at Sambogo staging area. Cape Sudest, N. Papua. |
| December 11, 1943 | Michael experiences Japanese aerial attack at Sambogo staging area. Cape Sudest, N. Papua. |
| December 19, 1943 | Michael experiences Japanese aerial attack at Sambogo staging area. Cape Sudest, N. Papua. |
| December 24, 1943 | Michael departs aboard USS Sands (APD#13) from Cape Sudest, N. Papua, New Guinea. |
| December 26, 1943 | Michael lands at Cape Gloucester, New Britain and defended the beachhead until Jan. 1, 1944. |
| January 2, 1944 | Michael participates in an attack on Silimati Point and capture of Hill 660 until Jan. 8, 1944. |
| January 17, 1944 | Michael participates in the defense of the Cape Gloucester airfield until April 29, 1944. |
| January 22, 1943 | Michael participates on the Gilnit patrol, Itni River area, western New Britain until Feb. 17, 1944. |
| April 30, 1944 | Michael boards the USS Fayette and departs May 1, 1944. |
| May 3, 1944 | Michael arrives at Pavuvu Island, Russell Island Group, British Solomon Islands. |
| August 1, 1944 | Michael joins H&S Company, 1st Pioneer Bn., 1st Marine Division. |
| August 25, 1944 | Michael embarks aboard USS Fayette and sails the same day. |
| August 27, 1944 | The USS Fayette anchors at Guadalcanal, British Solomon Islands to conduct pre-invasion training. |
| September 8, 1944 | Michael departs Guadalcanal aboard the USS Fayette for Peleliu. |
| September 15, 1944 | Michael participates in the landing on Peleliu, Palau Group, Caroline Islands. |
| October 14, 1944 | Michael is killed in action at Bloody Nose Ridge in Peleliu while on patrol. Records indicate that his body is not recovered. |
| November 29, 1944 | The Marine Corps notifies family of Michael's death. |
| December 16, 1944 | The War Finace Committee sends their condolences and dedicates a new bomber to Michael. |
| December 20, 1944 | US Senator from Illinois, Honorable Scott Lucas sends his condolences to family. |
| January 25, 1945 | Family notified by Marine Corps that engraved purple heart will be sent. |
| September 2, 1945 | Japan surrenders, ending World War II. |
| June 3, 1947 | Final search of Area 63 on Peleliu completed with no remains found of Michael. |
| February 5, 1948 | Michael's personal belongings returned home. |
| August 16, 1948 | Remainder of campaign ribbons, including Presidential Unit Citation, are sent to family. |
| July 13, 1949 | US Army declares that Michael's remains are unrecoverable and closes the case. |
| September 6, 1949 | Marine Corps sends family KIA certificate stating honorable service record. |
| May 7, 2001 | Niece Connie learns that Uncle Mike is memorialized by a tablet at the Manila Amer. Cemetery. |
| February 7, 2002 | Nephew George requests a memorial marker for Uncle Mike from the Dept. of Veteren Affairs. |
| April 26, 2002 | Abraham Lincoln National Cemetery notifies the family that the marker is in place. |
| September 11, 2004 | Nephew George travels to Peleliu to see the island where Michael died. |