Oodles of Google Doodles.

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Today’s Google Doodle honors journalist, activist and urban theorist Jane Jacobs, who was born on this day 100 years ago. In 1961, Jacobs wrote The Death and Life of Great American Cities, which is considered one of the best books on urbanism. She also led – and won – several campaigns against major projects in Toronto and New York, including builder Robert Moses’ plan to put a highway through Manhattan’s Greenwich Village.

Google Doodles started in 1998, and for 18 years the doodle team has used illustration and animation to honor special people and events. Here are a few of our favorites.

KenzoTangeGoogleDoodle

Japanese architect Kenzo Tange on what would’ve been his 100th birthday on September 4, 2013.

NoguchiGoogleDoodle

American artist, designer and landscape architect Isamu Noguchi on what would’ve been his 105th birthday on November 17, 2009.

MiesGoogleDoodle

German architect Ludwig Mies van der Rohe on what would’ve been his 126th birthday on March 27, 2012.

EiffelGoogleDoodle

The 126th anniversary of the opening of the Eiffel Tower on March 31, 2015.

LuisBarraganGoogleDoodle

Mexican architect Luis Barragan on what would’ve been his 111th birthday on March 9, 2013.

GoldenGateGoodleDoodle

The Golden Gate Bridge on its 75th Anniversary on May 27, 2012.

SydneyBridgeGoogleDoodle

The Sydney Harbor Bridge on its 80th Anniversary on March 19, 2012.

AlgeriaMonumentGoogleDoodle

Algeria Independence Day on July 5, 2012, featuring the Martyrs Memorial monument designed by Bachir Yelles and Marian Konieczny.

WalterGropiusGoogleDoodle

German architect and Bauhaus founder Walter Gropius on what would’ve been his 125th birthday on May 17, 2008.

MackintoshGoogleDoodle

Scottish architect and designer Charles Rennie Mackintosh on what would’ve been his 140th birthday on June 7, 2008.

FLLWGoogleDoodle

American architect and designer Frank Lloyd Wright on what would’ve been his 138th birthday on June 8, 2005.

NiemeyerGoogleDoodle

Brasilia’s Anniversary on April 12, 2012, as illustrated by Oscar Niemeyer, one of the city’s most important architects, and his great-grandson Paulo Sergio. Together they took Niemeyer’s original drawings for the city and transformed them into the Google logo.

AnnaCastelliFerrieriGoogleDoodle

Italian architect Anna Castelli Ferrieri on what would’ve been her 94th birthday on August 6, 2014.