January 8, 1894 - Kolbe was born in Zdunska-Wola, Poland (then part of Russia)
c. 1903 (Age 9) - Our Lady appears to Kolbe and he chooses both crowns of martyrdom and purity given to him by Our Lady.
1907 (Age 13) - Kolbe enters the Junior Franciscan Seminary in Lwow/Lviv (in what is today Ukraine)
September 4, 1910 (Age 16) - Raymond receives the Franciscan habit and his new name Maximilian
1912 (Age 18) - Kolbe is sent to Rome
November 1, 1914 (Age 20) - Kolbe takes perpetual Franciscan vows in the Order's seminary in Rome and takes the name MAXIMILIAN MARIA
1915 (Age 21) - He earns a doctorate in philosophy from the Jesuit Pontifical Gregorian University
January 20, 1917 (Age 23) - Kolbe decides that he must direct his life towards something to “Hasten the Most Merciful Reign of the Immaculate One on Earth”
May 1, 1917 - Kolbe conceives the idea that would help his resolve.
October 16, 1917 - Kolbe founds the Militia Immaculata in Rome; Six candidates, guided by Kolbe, make their consecration to Mary, before the altar of the Immaculate, in the chapel of the Seraphic College
April 28, 1918 (Age 24) - Kolbe is ordained a priest at the Church of Sant 'Andrea delle Fratte (Rome)
1919 (Age 25) - Kolbe earns a doctorate in theology from the International Franciscan College, the “Seraphicum”
1919 - Kolbe returns to Poland to teach in a Krakow seminary
January, 1922 (Age 28) - The Militia’s first monthly periodical, Rycerz Nipokalanej, "The Knight of the Immaculate,” is published
December 7, 1927 (Age 33) - Kolbe establishes a new friary for the Militia near Warsaw and given the name Niepokalanow in Polish, meaning “the City of the Immaculata”
1930 (Age 36) - Kolbe with four friars go to Nagasaki, Japan and the first issue of Knight in Japanese, Seibo no Kishi, is published
1930 - Kolbe travels through Russia and stays for some time in Moscow
1931 (Age 37) - In Nagasaki at Mt. Hikosan, Kolbe founds a new friary, another city, in Japanese called Mugenzai no Sono, “Garden of the Immaculata”, and builds behind it a Lourdes grotto
1932 (Age 38) - Kolbe goes to India to establish still another city to be built in the proximate future
1936 (Age 42) - Kolbe prophecizes a war
December 8, 1938 (Age 44) - Kolbe installs their own radio station SP 3 RN, their signature tune is the Lourdes hymn played by the brothers' own orchestra
September 1, 1939 - War breaks out between Poland and Germany, and the friars at Niepokalanow are dispersed
February 17, 1941 (Age 47) - SS Officers arrive at Niepokalanow, Kolbe, as well as four of his brothers, are arrested and taken to Pawiak Prison; Kolbe's cell is #103, sharing with two other prisoners
May 28, 1941 - Kolbe is transported to Auschwitz, he receives a striped convict's garments and tattooed with the number 16670
July 28 - August 1, 1941 - Between this five-day period Fritsch, the Commandant, sentences ten prisoners from Block 14 to death by starvation in retaliation for an escaped prisoner from their block. Kolbe's offer to die for one of the condemned, Francis Gajowniczek, is accepted. The condemned are placed in the basement bunker of Block 13.
August 14, 1941 - Kolbe is killed by an injection of lethal acid.