Some of the most memorable moments at past Oscars have made history, while others have been strange. Take a look at 10 of the most unforgettable moments from the Oscars ahead of the 87th Academy Awards.

1. Lupita Nyong'o's Breakthrough Moment

The Mexican-Kenyan actress won her first Oscar award for her role in "12 Years a Slave" where she won Best Supporting Actress, Us Weekly reports. Nyong'o wore a head-turning light blue Prada gown and diamond headband for the ceremony.

2. All Eyes on Jennifer Lawrence

Lawrence turned heads at the 2014 Oscars after tripping while walking on the red carpet for the second Oscars in a row. 

3. Ben Affleck Misses 2014 Oscars 

Affleck skipped the 86th Academy Awards just one year after being snubbed in the Director category for his 2013 film "Argo." The "Gone Girl" actor was at the Vanity Fair after-party with his wife.

4. Halle Berry's Historical Moment

The "Monster's Ball" actress is the first black woman to win the Best Actress Award, New York Daily News reports. She broke out in tears during her acceptance speech in 2002.

5. Hattie McDaniel's First Black Woman to Win Oscar

Hattie McDaniel became the first black person to win an Oscar for her role in "Gone With the Wind." She won Best Supporting Actress in 1940 for playing "Mammy." 

6. First Female Director Wins

Kathryn Bigelow won Best Director for her work on "The Hurt Locker" in 2010.

7. Angelina Jolie's Moment

The actress won her first Oscar for her role in "Girl Interrupted" and kissed her brother James Haven on the lips while on the red carpet.

8. Oscars Seven Decades Ago

The 1944 Oscars was held at the Grauman's Chinese Theatre, so that enlisted stars could attend the ceremony during World War II, Los Angeles Times reports. There was also extra seating for soldiers serving in the war.

9. Elizabeth Taylor Sick Appearance

The 33rd Academy Awards was held at the Santa Monica Civic Auditorium, where Elizabeth Taylor won Best Lead Actress for her role in "Butterfield 8" after she almost died from pneumonia. Taylor accepted the award onstage, although she could barely walk.

10. Cooper's Sad Moment

Gary Cooper won the Honorary Award for the 1961 Oscars but could not make it because he was battling cancer. Instead, Jimmy Stewart accepted the award for him, and Cooper died a month later.